397471876

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{157}}^1\times {\mathrm{359}}^1$

素因数の和:604

約数の個数: 48

約数和(自身を含む): 735799680

約数和(自身を除く): 338327804

約数列:

[1, 2, 4, 41, 43, 82, 86, 157, 164, 172, 314, 359, 628, 718, 1436, 1763, 3526, 6437, 6751, 7052, 12874, 13502, 14719, 15437, 25748, 27004, 29438, 30874, 56363, 58876, 61748, 112726, 225452, 276791, 553582, 632917, 1107164, 1265834, 2310883, 2423609, 2531668, 4621766, 4847218, 9243532, 9694436, 99367969, 198735938, 397471876]

約数ペア:

[(1, 397471876), (2, 198735938), (4, 99367969), (41, 9694436), (43, 9243532), (82, 4847218), (86, 4621766), (157, 2531668), (164, 2423609), (172, 2310883), (314, 1265834), (359, 1107164), (628, 632917), (718, 553582), (1436, 276791), (1763, 225452), (3526, 112726), (6437, 61748), (6751, 58876), (7052, 56363), (12874, 30874), (13502, 29438), (14719, 27004), (15437, 25748)]