72725168

素因数分解:

$2^4\times {\mathrm{47}}^1\times {\mathrm{97}}^1\times {\mathrm{997}}^1$

素因数の和:1149

約数の個数: 40

約数和(自身を含む): 145532352

約数和(自身を除く): 72807184

約数列:

[1, 2, 4, 8, 16, 47, 94, 97, 188, 194, 376, 388, 752, 776, 997, 1552, 1994, 3988, 4559, 7976, 9118, 15952, 18236, 36472, 46859, 72944, 93718, 96709, 187436, 193418, 374872, 386836, 749744, 773672, 1547344, 4545323, 9090646, 18181292, 36362584, 72725168]

約数ペア:

[(1, 72725168), (2, 36362584), (4, 18181292), (8, 9090646), (16, 4545323), (47, 1547344), (94, 773672), (97, 749744), (188, 386836), (194, 374872), (376, 193418), (388, 187436), (752, 96709), (776, 93718), (997, 72944), (1552, 46859), (1994, 36472), (3988, 18236), (4559, 15952), (7976, 9118)]