81351616

素因数分解:

$2^6\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{449}}^1$

素因数の和:629

約数の個数: 56

約数和(自身を含む): 171450000

約数和(自身を除く): 90098384

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 149, 152, 298, 304, 449, 596, 608, 898, 1192, 1216, 1796, 2384, 2831, 3592, 4768, 5662, 7184, 8531, 9536, 11324, 14368, 17062, 22648, 28736, 34124, 45296, 66901, 68248, 90592, 133802, 136496, 181184, 267604, 272992, 535208, 545984, 1070416, 1271119, 2140832, 2542238, 4281664, 5084476, 10168952, 20337904, 40675808, 81351616]

約数ペア:

[(1, 81351616), (2, 40675808), (4, 20337904), (8, 10168952), (16, 5084476), (19, 4281664), (32, 2542238), (38, 2140832), (64, 1271119), (76, 1070416), (149, 545984), (152, 535208), (298, 272992), (304, 267604), (449, 181184), (596, 136496), (608, 133802), (898, 90592), (1192, 68248), (1216, 66901), (1796, 45296), (2384, 34124), (2831, 28736), (3592, 22648), (4768, 17062), (5662, 14368), (7184, 11324), (8531, 9536)]