399430864

素因数分解:

$2^4\times 7^1\times {\mathrm{1097}}^1\times {\mathrm{3251}}^1$

素因数の和:4363

約数の個数: 40

約数和(自身を含む): 885532608

約数和(自身を除く): 486101744

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 1097, 2194, 3251, 4388, 6502, 7679, 8776, 13004, 15358, 17552, 22757, 26008, 30716, 45514, 52016, 61432, 91028, 122864, 182056, 364112, 3566347, 7132694, 14265388, 24964429, 28530776, 49928858, 57061552, 99857716, 199715432, 399430864]

約数ペア:

[(1, 399430864), (2, 199715432), (4, 99857716), (7, 57061552), (8, 49928858), (14, 28530776), (16, 24964429), (28, 14265388), (56, 7132694), (112, 3566347), (1097, 364112), (2194, 182056), (3251, 122864), (4388, 91028), (6502, 61432), (7679, 52016), (8776, 45514), (13004, 30716), (15358, 26008), (17552, 22757)]