129909328

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{279977}}^1$

素因数の和:280014

約数の個数: 20

約数和(自身を含む): 260379540

約数和(自身を除く): 130470212

約数列:

[1, 2, 4, 8, 16, 29, 58, 116, 232, 464, 279977, 559954, 1119908, 2239816, 4479632, 8119333, 16238666, 32477332, 64954664, 129909328]

約数ペア:

[(1, 129909328), (2, 64954664), (4, 32477332), (8, 16238666), (16, 8119333), (29, 4479632), (58, 2239816), (116, 1119908), (232, 559954), (464, 279977)]