90721988

素因数分解:

$2^2\times 7^1\times {\mathrm{83}}^1\times {\mathrm{103}}^1\times {\mathrm{379}}^1$

素因数の和:576

約数の個数: 48

約数和(自身を含む): 185902080

約数和(自身を除く): 95180092

約数列:

[1, 2, 4, 7, 14, 28, 83, 103, 166, 206, 332, 379, 412, 581, 721, 758, 1162, 1442, 1516, 2324, 2653, 2884, 5306, 8549, 10612, 17098, 31457, 34196, 39037, 59843, 62914, 78074, 119686, 125828, 156148, 220199, 239372, 273259, 440398, 546518, 880796, 1093036, 3240071, 6480142, 12960284, 22680497, 45360994, 90721988]

約数ペア:

[(1, 90721988), (2, 45360994), (4, 22680497), (7, 12960284), (14, 6480142), (28, 3240071), (83, 1093036), (103, 880796), (166, 546518), (206, 440398), (332, 273259), (379, 239372), (412, 220199), (581, 156148), (721, 125828), (758, 119686), (1162, 78074), (1442, 62914), (1516, 59843), (2324, 39037), (2653, 34196), (2884, 31457), (5306, 17098), (8549, 10612)]