66623408

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{244939}}^1$

素因数の和:244964

約数の個数: 20

約数和(自身を含む): 136676520

約数和(自身を除く): 70053112

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 244939, 489878, 979756, 1959512, 3919024, 4163963, 8327926, 16655852, 33311704, 66623408]

約数ペア:

[(1, 66623408), (2, 33311704), (4, 16655852), (8, 8327926), (16, 4163963), (17, 3919024), (34, 1959512), (68, 979756), (136, 489878), (272, 244939)]