128739604

素因数分解:

$2^2\times 7^1\times {\mathrm{659}}^1\times {\mathrm{6977}}^1$

素因数の和:7647

約数の個数: 24

約数和(自身を含む): 257906880

約数和(自身を除く): 129167276

約数列:

[1, 2, 4, 7, 14, 28, 659, 1318, 2636, 4613, 6977, 9226, 13954, 18452, 27908, 48839, 97678, 195356, 4597843, 9195686, 18391372, 32184901, 64369802, 128739604]

約数ペア:

[(1, 128739604), (2, 64369802), (4, 32184901), (7, 18391372), (14, 9195686), (28, 4597843), (659, 195356), (1318, 97678), (2636, 48839), (4613, 27908), (6977, 18452), (9226, 13954)]