1399392568

素因数分解:

$2^3\times 7^2\times {\mathrm{89}}^1\times {\mathrm{40111}}^1$

素因数の和:40220

約数の個数: 48

約数和(自身を含む): 3086618400

約数和(自身を除く): 1687225832

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 89, 98, 178, 196, 356, 392, 623, 712, 1246, 2492, 4361, 4984, 8722, 17444, 34888, 40111, 80222, 160444, 280777, 320888, 561554, 1123108, 1965439, 2246216, 3569879, 3930878, 7139758, 7861756, 14279516, 15723512, 24989153, 28559032, 49978306, 99956612, 174924071, 199913224, 349848142, 699696284, 1399392568]

約数ペア:

[(1, 1399392568), (2, 699696284), (4, 349848142), (7, 199913224), (8, 174924071), (14, 99956612), (28, 49978306), (49, 28559032), (56, 24989153), (89, 15723512), (98, 14279516), (178, 7861756), (196, 7139758), (356, 3930878), (392, 3569879), (623, 2246216), (712, 1965439), (1246, 1123108), (2492, 561554), (4361, 320888), (4984, 280777), (8722, 160444), (17444, 80222), (34888, 40111)]