128432332

素因数分解:

$2^2\times 7^2\times {\mathrm{655267}}^1$

素因数の和:655285

約数の個数: 18

約数和(自身を含む): 261451932

約数和(自身を除く): 133019600

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 655267, 1310534, 2621068, 4586869, 9173738, 18347476, 32108083, 64216166, 128432332]

約数ペア:

[(1, 128432332), (2, 64216166), (4, 32108083), (7, 18347476), (14, 9173738), (28, 4586869), (49, 2621068), (98, 1310534), (196, 655267)]