81085792

素因数分解:

$2^5\times {\mathrm{97}}^1\times {\mathrm{151}}^1\times {\mathrm{173}}^1$

素因数の和:431

約数の個数: 48

約数和(自身を含む): 163289952

約数和(自身を除く): 82204160

約数列:

[1, 2, 4, 8, 16, 32, 97, 151, 173, 194, 302, 346, 388, 604, 692, 776, 1208, 1384, 1552, 2416, 2768, 3104, 4832, 5536, 14647, 16781, 26123, 29294, 33562, 52246, 58588, 67124, 104492, 117176, 134248, 208984, 234352, 268496, 417968, 468704, 536992, 835936, 2533931, 5067862, 10135724, 20271448, 40542896, 81085792]

約数ペア:

[(1, 81085792), (2, 40542896), (4, 20271448), (8, 10135724), (16, 5067862), (32, 2533931), (97, 835936), (151, 536992), (173, 468704), (194, 417968), (302, 268496), (346, 234352), (388, 208984), (604, 134248), (692, 117176), (776, 104492), (1208, 67124), (1384, 58588), (1552, 52246), (2416, 33562), (2768, 29294), (3104, 26123), (4832, 16781), (5536, 14647)]