128172506

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{631}}^1\times {\mathrm{1319}}^1$

素因数の和:1970

約数の個数: 32

約数和(自身を含む): 240261120

約数和(自身を除く): 112088614

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 631, 1262, 1319, 2638, 4417, 6941, 8834, 9233, 13882, 14509, 18466, 29018, 48587, 97174, 101563, 203126, 832289, 1664578, 5826023, 9155179, 11652046, 18310358, 64086253, 128172506]

約数ペア:

[(1, 128172506), (2, 64086253), (7, 18310358), (11, 11652046), (14, 9155179), (22, 5826023), (77, 1664578), (154, 832289), (631, 203126), (1262, 101563), (1319, 97174), (2638, 48587), (4417, 29018), (6941, 18466), (8834, 14509), (9233, 13882)]