71971336

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{397}}^1$

素因数の和:494

約数の個数: 64

約数和(自身を含む): 151303680

約数和(自身を除く): 79332344

約数列:

[1, 2, 4, 8, 17, 31, 34, 43, 62, 68, 86, 124, 136, 172, 248, 344, 397, 527, 731, 794, 1054, 1333, 1462, 1588, 2108, 2666, 2924, 3176, 4216, 5332, 5848, 6749, 10664, 12307, 13498, 17071, 22661, 24614, 26996, 34142, 45322, 49228, 53992, 68284, 90644, 98456, 136568, 181288, 209219, 290207, 418438, 529201, 580414, 836876, 1058402, 1160828, 1673752, 2116804, 2321656, 4233608, 8996417, 17992834, 35985668, 71971336]

約数ペア:

[(1, 71971336), (2, 35985668), (4, 17992834), (8, 8996417), (17, 4233608), (31, 2321656), (34, 2116804), (43, 1673752), (62, 1160828), (68, 1058402), (86, 836876), (124, 580414), (136, 529201), (172, 418438), (248, 290207), (344, 209219), (397, 181288), (527, 136568), (731, 98456), (794, 90644), (1054, 68284), (1333, 53992), (1462, 49228), (1588, 45322), (2108, 34142), (2666, 26996), (2924, 24614), (3176, 22661), (4216, 17071), (5332, 13498), (5848, 12307), (6749, 10664)]