722808268

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{103}}^1\times {\mathrm{1483}}^1$

素因数の和:1623

約数の個数: 72

約数和(自身を含む): 1581635328

約数和(自身を除く): 858827060

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 103, 169, 182, 206, 338, 364, 412, 676, 721, 1183, 1339, 1442, 1483, 2366, 2678, 2884, 2966, 4732, 5356, 5932, 9373, 10381, 17407, 18746, 19279, 20762, 34814, 37492, 38558, 41524, 69628, 77116, 121849, 134953, 152749, 243698, 250627, 269906, 305498, 487396, 501254, 539812, 610996, 1002508, 1069243, 1754389, 1985737, 2138486, 3508778, 3971474, 4276972, 7017556, 7942948, 13900159, 25814581, 27800318, 51629162, 55600636, 103258324, 180702067, 361404134, 722808268]

約数ペア:

[(1, 722808268), (2, 361404134), (4, 180702067), (7, 103258324), (13, 55600636), (14, 51629162), (26, 27800318), (28, 25814581), (52, 13900159), (91, 7942948), (103, 7017556), (169, 4276972), (182, 3971474), (206, 3508778), (338, 2138486), (364, 1985737), (412, 1754389), (676, 1069243), (721, 1002508), (1183, 610996), (1339, 539812), (1442, 501254), (1483, 487396), (2366, 305498), (2678, 269906), (2884, 250627), (2966, 243698), (4732, 152749), (5356, 134953), (5932, 121849), (9373, 77116), (10381, 69628), (17407, 41524), (18746, 38558), (19279, 37492), (20762, 34814)]