326895868

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{1361}}^1$

素因数の和:1558

約数の個数: 48

約数和(自身を含む): 640684800

約数和(自身を除く): 313788932

約数列:

[1, 2, 4, 13, 26, 31, 52, 62, 124, 149, 298, 403, 596, 806, 1361, 1612, 1937, 2722, 3874, 4619, 5444, 7748, 9238, 17693, 18476, 35386, 42191, 60047, 70772, 84382, 120094, 168764, 202789, 240188, 405578, 548483, 811156, 1096966, 2193932, 2636257, 5272514, 6286459, 10545028, 12572918, 25145836, 81723967, 163447934, 326895868]

約数ペア:

[(1, 326895868), (2, 163447934), (4, 81723967), (13, 25145836), (26, 12572918), (31, 10545028), (52, 6286459), (62, 5272514), (124, 2636257), (149, 2193932), (298, 1096966), (403, 811156), (596, 548483), (806, 405578), (1361, 240188), (1612, 202789), (1937, 168764), (2722, 120094), (3874, 84382), (4619, 70772), (5444, 60047), (7748, 42191), (9238, 35386), (17693, 18476)]