12921272

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17749}}^1$

素因数の和:17775

約数の個数: 32

約数和(自身を含む): 29820000

約数和(自身を除く): 16898728

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 182, 364, 728, 17749, 35498, 70996, 124243, 141992, 230737, 248486, 461474, 496972, 922948, 993944, 1615159, 1845896, 3230318, 6460636, 12921272]

約数ペア:

[(1, 12921272), (2, 6460636), (4, 3230318), (7, 1845896), (8, 1615159), (13, 993944), (14, 922948), (26, 496972), (28, 461474), (52, 248486), (56, 230737), (91, 141992), (104, 124243), (182, 70996), (364, 35498), (728, 17749)]