31126728

素因数分解:

$2^3\times 3^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1$

素因数の和:187

約数の個数: 128

約数和(自身を含む): 89579520

約数和(自身を除く): 58452792

約数列:

[1, 2, 3, 4, 6, 8, 12, 17, 23, 24, 31, 34, 46, 51, 62, 68, 69, 92, 93, 102, 107, 124, 136, 138, 184, 186, 204, 214, 248, 276, 321, 372, 391, 408, 428, 527, 552, 642, 713, 744, 782, 856, 1054, 1173, 1284, 1426, 1564, 1581, 1819, 2108, 2139, 2346, 2461, 2568, 2852, 3128, 3162, 3317, 3638, 4216, 4278, 4692, 4922, 5457, 5704, 6324, 6634, 7276, 7383, 8556, 9384, 9844, 9951, 10914, 12121, 12648, 13268, 14552, 14766, 17112, 19688, 19902, 21828, 24242, 26536, 29532, 36363, 39804, 41837, 43656, 48484, 56389, 59064, 72726, 76291, 79608, 83674, 96968, 112778, 125511, 145452, 152582, 167348, 169167, 225556, 228873, 251022, 290904, 305164, 334696, 338334, 451112, 457746, 502044, 610328, 676668, 915492, 1004088, 1296947, 1353336, 1830984, 2593894, 3890841, 5187788, 7781682, 10375576, 15563364, 31126728]

約数ペア:

[(1, 31126728), (2, 15563364), (3, 10375576), (4, 7781682), (6, 5187788), (8, 3890841), (12, 2593894), (17, 1830984), (23, 1353336), (24, 1296947), (31, 1004088), (34, 915492), (46, 676668), (51, 610328), (62, 502044), (68, 457746), (69, 451112), (92, 338334), (93, 334696), (102, 305164), (107, 290904), (124, 251022), (136, 228873), (138, 225556), (184, 169167), (186, 167348), (204, 152582), (214, 145452), (248, 125511), (276, 112778), (321, 96968), (372, 83674), (391, 79608), (408, 76291), (428, 72726), (527, 59064), (552, 56389), (642, 48484), (713, 43656), (744, 41837), (782, 39804), (856, 36363), (1054, 29532), (1173, 26536), (1284, 24242), (1426, 21828), (1564, 19902), (1581, 19688), (1819, 17112), (2108, 14766), (2139, 14552), (2346, 13268), (2461, 12648), (2568, 12121), (2852, 10914), (3128, 9951), (3162, 9844), (3317, 9384), (3638, 8556), (4216, 7383), (4278, 7276), (4692, 6634), (4922, 6324), (5457, 5704)]