127789456

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{83}}^1\times {\mathrm{2347}}^1$

素因数の和:2479

約数の個数: 40

約数和(自身を含む): 256796064

約数和(自身を除く): 129006608

約数列:

[1, 2, 4, 8, 16, 41, 82, 83, 164, 166, 328, 332, 656, 664, 1328, 2347, 3403, 4694, 6806, 9388, 13612, 18776, 27224, 37552, 54448, 96227, 192454, 194801, 384908, 389602, 769816, 779204, 1539632, 1558408, 3116816, 7986841, 15973682, 31947364, 63894728, 127789456]

約数ペア:

[(1, 127789456), (2, 63894728), (4, 31947364), (8, 15973682), (16, 7986841), (41, 3116816), (82, 1558408), (83, 1539632), (164, 779204), (166, 769816), (328, 389602), (332, 384908), (656, 194801), (664, 192454), (1328, 96227), (2347, 54448), (3403, 37552), (4694, 27224), (6806, 18776), (9388, 13612)]