161215072

素因数分解:

$2^5\times {\mathrm{257}}^1\times {\mathrm{19603}}^1$

素因数の和:19870

約数の個数: 24

約数和(自身を含む): 318643416

約数和(自身を除く): 157428344

約数列:

[1, 2, 4, 8, 16, 32, 257, 514, 1028, 2056, 4112, 8224, 19603, 39206, 78412, 156824, 313648, 627296, 5037971, 10075942, 20151884, 40303768, 80607536, 161215072]

約数ペア:

[(1, 161215072), (2, 80607536), (4, 40303768), (8, 20151884), (16, 10075942), (32, 5037971), (257, 627296), (514, 313648), (1028, 156824), (2056, 78412), (4112, 39206), (8224, 19603)]