156998384

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{5189}}^1$

素因数の和:5289

約数の個数: 40

約数和(自身を含む): 319205760

約数和(自身を除く): 162207376

約数列:

[1, 2, 4, 8, 16, 31, 61, 62, 122, 124, 244, 248, 488, 496, 976, 1891, 3782, 5189, 7564, 10378, 15128, 20756, 30256, 41512, 83024, 160859, 316529, 321718, 633058, 643436, 1266116, 1286872, 2532232, 2573744, 5064464, 9812399, 19624798, 39249596, 78499192, 156998384]

約数ペア:

[(1, 156998384), (2, 78499192), (4, 39249596), (8, 19624798), (16, 9812399), (31, 5064464), (61, 2573744), (62, 2532232), (122, 1286872), (124, 1266116), (244, 643436), (248, 633058), (488, 321718), (496, 316529), (976, 160859), (1891, 83024), (3782, 41512), (5189, 30256), (7564, 20756), (10378, 15128)]