661330298590

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{1217}}^1\times {\mathrm{1877}}^1$

素因数の和:3262

約数の個数: 128

約数和(自身を含む): 1369587719808

約数和(自身を除く): 708257421218

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 85, 130, 131, 170, 221, 262, 442, 655, 1105, 1217, 1310, 1703, 1877, 2210, 2227, 2434, 3406, 3754, 4454, 6085, 8515, 9385, 11135, 12170, 15821, 17030, 18770, 20689, 22270, 24401, 28951, 31642, 31909, 41378, 48802, 57902, 63818, 79105, 103445, 122005, 144755, 158210, 159427, 159545, 206890, 244010, 245887, 268957, 289510, 318854, 319090, 414817, 491774, 537914, 797135, 829634, 1229435, 1344785, 1594270, 2072551, 2074085, 2284309, 2458870, 2689570, 2710259, 3196531, 4145102, 4148170, 4180079, 4568618, 5420518, 6393062, 8360158, 10362755, 11421545, 13551295, 15982655, 20725510, 20900395, 22843090, 27102590, 29696017, 31965310, 35233367, 38833253, 41800790, 54341027, 59392034, 70466734, 77666506, 108682054, 148480085, 176166835, 194166265, 271705135, 296960170, 299244479, 352333670, 388332530, 504832289, 543410270, 598488958, 1009664578, 1496222395, 2524161445, 2992444790, 3890178227, 5048322890, 5087156143, 7780356454, 10174312286, 19450891135, 25435780715, 38901782270, 50871561430, 66133029859, 132266059718, 330665149295, 661330298590]

約数ペア:

[(1, 661330298590), (2, 330665149295), (5, 132266059718), (10, 66133029859), (13, 50871561430), (17, 38901782270), (26, 25435780715), (34, 19450891135), (65, 10174312286), (85, 7780356454), (130, 5087156143), (131, 5048322890), (170, 3890178227), (221, 2992444790), (262, 2524161445), (442, 1496222395), (655, 1009664578), (1105, 598488958), (1217, 543410270), (1310, 504832289), (1703, 388332530), (1877, 352333670), (2210, 299244479), (2227, 296960170), (2434, 271705135), (3406, 194166265), (3754, 176166835), (4454, 148480085), (6085, 108682054), (8515, 77666506), (9385, 70466734), (11135, 59392034), (12170, 54341027), (15821, 41800790), (17030, 38833253), (18770, 35233367), (20689, 31965310), (22270, 29696017), (24401, 27102590), (28951, 22843090), (31642, 20900395), (31909, 20725510), (41378, 15982655), (48802, 13551295), (57902, 11421545), (63818, 10362755), (79105, 8360158), (103445, 6393062), (122005, 5420518), (144755, 4568618), (158210, 4180079), (159427, 4148170), (159545, 4145102), (206890, 3196531), (244010, 2710259), (245887, 2689570), (268957, 2458870), (289510, 2284309), (318854, 2074085), (319090, 2072551), (414817, 1594270), (491774, 1344785), (537914, 1229435), (797135, 829634)]