2781064

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{13}}^2\times {\mathrm{17}}^1$

素因数の和:71

約数の個数: 72

約数和(自身を含む): 6571530

約数和(自身を除く): 3790466

約数列:

[1, 2, 4, 8, 11, 13, 17, 22, 26, 34, 44, 52, 68, 88, 104, 121, 136, 143, 169, 187, 221, 242, 286, 338, 374, 442, 484, 572, 676, 748, 884, 968, 1144, 1352, 1496, 1573, 1768, 1859, 2057, 2431, 2873, 3146, 3718, 4114, 4862, 5746, 6292, 7436, 8228, 9724, 11492, 12584, 14872, 16456, 19448, 20449, 22984, 26741, 31603, 40898, 53482, 63206, 81796, 106964, 126412, 163592, 213928, 252824, 347633, 695266, 1390532, 2781064]

約数ペア:

[(1, 2781064), (2, 1390532), (4, 695266), (8, 347633), (11, 252824), (13, 213928), (17, 163592), (22, 126412), (26, 106964), (34, 81796), (44, 63206), (52, 53482), (68, 40898), (88, 31603), (104, 26741), (121, 22984), (136, 20449), (143, 19448), (169, 16456), (187, 14872), (221, 12584), (242, 11492), (286, 9724), (338, 8228), (374, 7436), (442, 6292), (484, 5746), (572, 4862), (676, 4114), (748, 3718), (884, 3146), (968, 2873), (1144, 2431), (1352, 2057), (1496, 1859), (1573, 1768)]