278558608

素因数分解:

$2^4\times {\mathrm{89}}^1\times {\mathrm{199}}^1\times {\mathrm{983}}^1$

素因数の和:1279

約数の個数: 40

約数和(自身を含む): 549072000

約数和(自身を除く): 270513392

約数列:

[1, 2, 4, 8, 16, 89, 178, 199, 356, 398, 712, 796, 983, 1424, 1592, 1966, 3184, 3932, 7864, 15728, 17711, 35422, 70844, 87487, 141688, 174974, 195617, 283376, 349948, 391234, 699896, 782468, 1399792, 1564936, 3129872, 17409913, 34819826, 69639652, 139279304, 278558608]

約数ペア:

[(1, 278558608), (2, 139279304), (4, 69639652), (8, 34819826), (16, 17409913), (89, 3129872), (178, 1564936), (199, 1399792), (356, 782468), (398, 699896), (712, 391234), (796, 349948), (983, 283376), (1424, 195617), (1592, 174974), (1966, 141688), (3184, 87487), (3932, 70844), (7864, 35422), (15728, 17711)]