157777328

素因数分解:

$2^4\times {\mathrm{59}}^1\times {\mathrm{397}}^1\times {\mathrm{421}}^1$

素因数の和:885

約数の個数: 40

約数和(自身を含む): 312398160

約数和(自身を除く): 154620832

約数列:

[1, 2, 4, 8, 16, 59, 118, 236, 397, 421, 472, 794, 842, 944, 1588, 1684, 3176, 3368, 6352, 6736, 23423, 24839, 46846, 49678, 93692, 99356, 167137, 187384, 198712, 334274, 374768, 397424, 668548, 1337096, 2674192, 9861083, 19722166, 39444332, 78888664, 157777328]

約数ペア:

[(1, 157777328), (2, 78888664), (4, 39444332), (8, 19722166), (16, 9861083), (59, 2674192), (118, 1337096), (236, 668548), (397, 397424), (421, 374768), (472, 334274), (794, 198712), (842, 187384), (944, 167137), (1588, 99356), (1684, 93692), (3176, 49678), (3368, 46846), (6352, 24839), (6736, 23423)]