90142688

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{173}}^1\times {\mathrm{857}}^1$

素因数の和:1059

約数の個数: 48

約数和(自身を含む): 188107920

約数和(自身を除く): 97965232

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 76, 152, 173, 304, 346, 608, 692, 857, 1384, 1714, 2768, 3287, 3428, 5536, 6574, 6856, 13148, 13712, 16283, 26296, 27424, 32566, 52592, 65132, 105184, 130264, 148261, 260528, 296522, 521056, 593044, 1186088, 2372176, 2816959, 4744352, 5633918, 11267836, 22535672, 45071344, 90142688]

約数ペア:

[(1, 90142688), (2, 45071344), (4, 22535672), (8, 11267836), (16, 5633918), (19, 4744352), (32, 2816959), (38, 2372176), (76, 1186088), (152, 593044), (173, 521056), (304, 296522), (346, 260528), (608, 148261), (692, 130264), (857, 105184), (1384, 65132), (1714, 52592), (2768, 32566), (3287, 27424), (3428, 26296), (5536, 16283), (6574, 13712), (6856, 13148)]