81361154

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{263}}^1\times {\mathrm{1163}}^1$

素因数の和:1454

約数の個数: 32

約数和(自身を含む): 147502080

約数和(自身を除く): 66140926

約数列:

[1, 2, 7, 14, 19, 38, 133, 263, 266, 526, 1163, 1841, 2326, 3682, 4997, 8141, 9994, 16282, 22097, 34979, 44194, 69958, 154679, 305869, 309358, 611738, 2141083, 4282166, 5811511, 11623022, 40680577, 81361154]

約数ペア:

[(1, 81361154), (2, 40680577), (7, 11623022), (14, 5811511), (19, 4282166), (38, 2141083), (133, 611738), (263, 309358), (266, 305869), (526, 154679), (1163, 69958), (1841, 44194), (2326, 34979), (3682, 22097), (4997, 16282), (8141, 9994)]