128989868

素因数分解:

$2^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{75521}}^1$

素因数の和:75593

約数の個数: 24

約数和(自身を含む): 262212384

約数和(自身を除く): 133222516

約数列:

[1, 2, 4, 7, 14, 28, 61, 122, 244, 427, 854, 1708, 75521, 151042, 302084, 528647, 1057294, 2114588, 4606781, 9213562, 18427124, 32247467, 64494934, 128989868]

約数ペア:

[(1, 128989868), (2, 64494934), (4, 32247467), (7, 18427124), (14, 9213562), (28, 4606781), (61, 2114588), (122, 1057294), (244, 528647), (427, 302084), (854, 151042), (1708, 75521)]