66638704

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{378629}}^1$

素因数の和:378648

約数の個数: 20

約数和(自身を含む): 140850360

約数和(自身を除く): 74211656

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 378629, 757258, 1514516, 3029032, 4164919, 6058064, 8329838, 16659676, 33319352, 66638704]

約数ペア:

[(1, 66638704), (2, 33319352), (4, 16659676), (8, 8329838), (11, 6058064), (16, 4164919), (22, 3029032), (44, 1514516), (88, 757258), (176, 378629)]