78747208

素因数分解:

$2^3\times {\mathrm{103}}^1\times {\mathrm{227}}^1\times {\mathrm{421}}^1$

素因数の和:757

約数の個数: 32

約数和(自身を含む): 150096960

約数和(自身を除く): 71349752

約数列:

[1, 2, 4, 8, 103, 206, 227, 412, 421, 454, 824, 842, 908, 1684, 1816, 3368, 23381, 43363, 46762, 86726, 93524, 95567, 173452, 187048, 191134, 346904, 382268, 764536, 9843401, 19686802, 39373604, 78747208]

約数ペア:

[(1, 78747208), (2, 39373604), (4, 19686802), (8, 9843401), (103, 764536), (206, 382268), (227, 346904), (412, 191134), (421, 187048), (454, 173452), (824, 95567), (842, 93524), (908, 86726), (1684, 46762), (1816, 43363), (3368, 23381)]