81418352

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{83}}^1\times {\mathrm{1657}}^1$

素因数の和:1785

約数の個数: 40

約数和(自身を含む): 164062416

約数和(自身を除く): 82644064

約数列:

[1, 2, 4, 8, 16, 37, 74, 83, 148, 166, 296, 332, 592, 664, 1328, 1657, 3071, 3314, 6142, 6628, 12284, 13256, 24568, 26512, 49136, 61309, 122618, 137531, 245236, 275062, 490472, 550124, 980944, 1100248, 2200496, 5088647, 10177294, 20354588, 40709176, 81418352]

約数ペア:

[(1, 81418352), (2, 40709176), (4, 20354588), (8, 10177294), (16, 5088647), (37, 2200496), (74, 1100248), (83, 980944), (148, 550124), (166, 490472), (296, 275062), (332, 245236), (592, 137531), (664, 122618), (1328, 61309), (1657, 49136), (3071, 26512), (3314, 24568), (6142, 13256), (6628, 12284)]