42457428

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{257}}^1\times {\mathrm{353}}^1$

素因数の和:633

約数の個数: 72

約数和(自身を含む): 116356968

約数和(自身を除く): 73899540

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 257, 353, 468, 514, 706, 771, 1028, 1059, 1412, 1542, 2118, 2313, 3084, 3177, 3341, 4236, 4589, 4626, 6354, 6682, 9178, 9252, 10023, 12708, 13364, 13767, 18356, 20046, 27534, 30069, 40092, 41301, 55068, 60138, 82602, 90721, 120276, 165204, 181442, 272163, 362884, 544326, 816489, 1088652, 1179373, 1632978, 2358746, 3265956, 3538119, 4717492, 7076238, 10614357, 14152476, 21228714, 42457428]

約数ペア:

[(1, 42457428), (2, 21228714), (3, 14152476), (4, 10614357), (6, 7076238), (9, 4717492), (12, 3538119), (13, 3265956), (18, 2358746), (26, 1632978), (36, 1179373), (39, 1088652), (52, 816489), (78, 544326), (117, 362884), (156, 272163), (234, 181442), (257, 165204), (353, 120276), (468, 90721), (514, 82602), (706, 60138), (771, 55068), (1028, 41301), (1059, 40092), (1412, 30069), (1542, 27534), (2118, 20046), (2313, 18356), (3084, 13767), (3177, 13364), (3341, 12708), (4236, 10023), (4589, 9252), (4626, 9178), (6354, 6682)]