31983868

素因数分解:

$2^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{331}}^1$

素因数の和:395

約数の個数: 72

約数和(自身を含む): 71532720

約数和(自身を除く): 39548852

約数列:

[1, 2, 4, 7, 14, 17, 28, 29, 34, 49, 58, 68, 98, 116, 119, 196, 203, 238, 331, 406, 476, 493, 662, 812, 833, 986, 1324, 1421, 1666, 1972, 2317, 2842, 3332, 3451, 4634, 5627, 5684, 6902, 9268, 9599, 11254, 13804, 16219, 19198, 22508, 24157, 32438, 38396, 39389, 48314, 64876, 67193, 78778, 96628, 134386, 157556, 163183, 268772, 275723, 326366, 470351, 551446, 652732, 940702, 1102892, 1142281, 1881404, 2284562, 4569124, 7995967, 15991934, 31983868]

約数ペア:

[(1, 31983868), (2, 15991934), (4, 7995967), (7, 4569124), (14, 2284562), (17, 1881404), (28, 1142281), (29, 1102892), (34, 940702), (49, 652732), (58, 551446), (68, 470351), (98, 326366), (116, 275723), (119, 268772), (196, 163183), (203, 157556), (238, 134386), (331, 96628), (406, 78778), (476, 67193), (493, 64876), (662, 48314), (812, 39389), (833, 38396), (986, 32438), (1324, 24157), (1421, 22508), (1666, 19198), (1972, 16219), (2317, 13804), (2842, 11254), (3332, 9599), (3451, 9268), (4634, 6902), (5627, 5684)]