81770642

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{137}}^1\times {\mathrm{139}}^1$

素因数の和:410

約数の個数: 32

約数和(自身を含む): 132148800

約数和(自身を除く): 50378158

約数列:

[1, 2, 19, 38, 113, 137, 139, 226, 274, 278, 2147, 2603, 2641, 4294, 5206, 5282, 15481, 15707, 19043, 30962, 31414, 38086, 294139, 298433, 361817, 588278, 596866, 723634, 2151859, 4303718, 40885321, 81770642]

約数ペア:

[(1, 81770642), (2, 40885321), (19, 4303718), (38, 2151859), (113, 723634), (137, 596866), (139, 588278), (226, 361817), (274, 298433), (278, 294139), (2147, 38086), (2603, 31414), (2641, 30962), (4294, 19043), (5206, 15707), (5282, 15481)]