80791788

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{12491}}^1$

素因数の和:12523

約数の個数: 72

約数和(自身を含む): 239246784

約数和(自身を除く): 158454996

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 14, 21, 22, 28, 33, 42, 44, 49, 66, 77, 84, 98, 132, 147, 154, 196, 231, 294, 308, 462, 539, 588, 924, 1078, 1617, 2156, 3234, 6468, 12491, 24982, 37473, 49964, 74946, 87437, 137401, 149892, 174874, 262311, 274802, 349748, 412203, 524622, 549604, 612059, 824406, 961807, 1049244, 1224118, 1648812, 1836177, 1923614, 2448236, 2885421, 3672354, 3847228, 5770842, 6732649, 7344708, 11541684, 13465298, 20197947, 26930596, 40395894, 80791788]

約数ペア:

[(1, 80791788), (2, 40395894), (3, 26930596), (4, 20197947), (6, 13465298), (7, 11541684), (11, 7344708), (12, 6732649), (14, 5770842), (21, 3847228), (22, 3672354), (28, 2885421), (33, 2448236), (42, 1923614), (44, 1836177), (49, 1648812), (66, 1224118), (77, 1049244), (84, 961807), (98, 824406), (132, 612059), (147, 549604), (154, 524622), (196, 412203), (231, 349748), (294, 274802), (308, 262311), (462, 174874), (539, 149892), (588, 137401), (924, 87437), (1078, 74946), (1617, 49964), (2156, 37473), (3234, 24982), (6468, 12491)]