78978328

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1$

素因数の和:209

約数の個数: 128

約数和(自身を含む): 191600640

約数和(自身を除く): 112622312

約数列:

[1, 2, 4, 8, 11, 13, 17, 22, 26, 31, 34, 44, 52, 62, 68, 88, 104, 124, 131, 136, 143, 187, 221, 248, 262, 286, 341, 374, 403, 442, 524, 527, 572, 682, 748, 806, 884, 1048, 1054, 1144, 1364, 1441, 1496, 1612, 1703, 1768, 2108, 2227, 2431, 2728, 2882, 3224, 3406, 4061, 4216, 4433, 4454, 4862, 5764, 5797, 6812, 6851, 8122, 8866, 8908, 9724, 11528, 11594, 13624, 13702, 16244, 17732, 17816, 18733, 19448, 23188, 24497, 27404, 28951, 32488, 35464, 37466, 44671, 46376, 48994, 52793, 54808, 57902, 69037, 74932, 75361, 89342, 97988, 105586, 115804, 138074, 149864, 150722, 178684, 195976, 211172, 231608, 276148, 301444, 318461, 357368, 422344, 552296, 580723, 602888, 636922, 759407, 897481, 1161446, 1273844, 1518814, 1794962, 2322892, 2547688, 3037628, 3589924, 4645784, 6075256, 7179848, 9872291, 19744582, 39489164, 78978328]

約数ペア:

[(1, 78978328), (2, 39489164), (4, 19744582), (8, 9872291), (11, 7179848), (13, 6075256), (17, 4645784), (22, 3589924), (26, 3037628), (31, 2547688), (34, 2322892), (44, 1794962), (52, 1518814), (62, 1273844), (68, 1161446), (88, 897481), (104, 759407), (124, 636922), (131, 602888), (136, 580723), (143, 552296), (187, 422344), (221, 357368), (248, 318461), (262, 301444), (286, 276148), (341, 231608), (374, 211172), (403, 195976), (442, 178684), (524, 150722), (527, 149864), (572, 138074), (682, 115804), (748, 105586), (806, 97988), (884, 89342), (1048, 75361), (1054, 74932), (1144, 69037), (1364, 57902), (1441, 54808), (1496, 52793), (1612, 48994), (1703, 46376), (1768, 44671), (2108, 37466), (2227, 35464), (2431, 32488), (2728, 28951), (2882, 27404), (3224, 24497), (3406, 23188), (4061, 19448), (4216, 18733), (4433, 17816), (4454, 17732), (4862, 16244), (5764, 13702), (5797, 13624), (6812, 11594), (6851, 11528), (8122, 9724), (8866, 8908)]