128791376

素因数分解:

$2^4\times 7^1\times {\mathrm{37}}^1\times {\mathrm{31079}}^1$

素因数の和:31131

約数の個数: 40

約数和(自身を含む): 292897920

約数和(自身を除く): 164106544

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 37, 56, 74, 112, 148, 259, 296, 518, 592, 1036, 2072, 4144, 31079, 62158, 124316, 217553, 248632, 435106, 497264, 870212, 1149923, 1740424, 2299846, 3480848, 4599692, 8049461, 9199384, 16098922, 18398768, 32197844, 64395688, 128791376]

約数ペア:

[(1, 128791376), (2, 64395688), (4, 32197844), (7, 18398768), (8, 16098922), (14, 9199384), (16, 8049461), (28, 4599692), (37, 3480848), (56, 2299846), (74, 1740424), (112, 1149923), (148, 870212), (259, 497264), (296, 435106), (518, 248632), (592, 217553), (1036, 124316), (2072, 62158), (4144, 31079)]