81679610

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{293}}^1\times {\mathrm{457}}^1$

素因数の和:818

約数の個数: 32

約数和(自身を含む): 150271632

約数和(自身を除く): 68592022

約数列:

[1, 2, 5, 10, 61, 122, 293, 305, 457, 586, 610, 914, 1465, 2285, 2930, 4570, 17873, 27877, 35746, 55754, 89365, 133901, 139385, 178730, 267802, 278770, 669505, 1339010, 8167961, 16335922, 40839805, 81679610]

約数ペア:

[(1, 81679610), (2, 40839805), (5, 16335922), (10, 8167961), (61, 1339010), (122, 669505), (293, 278770), (305, 267802), (457, 178730), (586, 139385), (610, 133901), (914, 89365), (1465, 55754), (2285, 35746), (2930, 27877), (4570, 17873)]