31579132

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{257}}^1$

素因数の和:430

約数の個数: 48

約数和(自身を含む): 63715680

約数和(自身を除く): 32136548

約数列:

[1, 2, 4, 13, 17, 26, 34, 52, 68, 139, 221, 257, 278, 442, 514, 556, 884, 1028, 1807, 2363, 3341, 3614, 4369, 4726, 6682, 7228, 8738, 9452, 13364, 17476, 30719, 35723, 56797, 61438, 71446, 113594, 122876, 142892, 227188, 464399, 607291, 928798, 1214582, 1857596, 2429164, 7894783, 15789566, 31579132]

約数ペア:

[(1, 31579132), (2, 15789566), (4, 7894783), (13, 2429164), (17, 1857596), (26, 1214582), (34, 928798), (52, 607291), (68, 464399), (139, 227188), (221, 142892), (257, 122876), (278, 113594), (442, 71446), (514, 61438), (556, 56797), (884, 35723), (1028, 30719), (1807, 17476), (2363, 13364), (3341, 9452), (3614, 8738), (4369, 7228), (4726, 6682)]