686267956

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{863}}^1$

素因数の和:973

約数の個数: 72

約数和(自身を含む): 1389975552

約数和(自身を除く): 703707596

約数列:

[1, 2, 4, 11, 22, 31, 44, 53, 62, 106, 121, 124, 212, 242, 341, 484, 583, 682, 863, 1166, 1364, 1643, 1726, 2332, 3286, 3452, 3751, 6413, 6572, 7502, 9493, 12826, 15004, 18073, 18986, 25652, 26753, 36146, 37972, 45739, 53506, 72292, 91478, 104423, 107012, 182956, 198803, 208846, 294283, 397606, 417692, 503129, 588566, 795212, 1006258, 1177132, 1417909, 2012516, 2835818, 3237113, 5534419, 5671636, 6474226, 11068838, 12948452, 15596999, 22137676, 31193998, 62387996, 171566989, 343133978, 686267956]

約数ペア:

[(1, 686267956), (2, 343133978), (4, 171566989), (11, 62387996), (22, 31193998), (31, 22137676), (44, 15596999), (53, 12948452), (62, 11068838), (106, 6474226), (121, 5671636), (124, 5534419), (212, 3237113), (242, 2835818), (341, 2012516), (484, 1417909), (583, 1177132), (682, 1006258), (863, 795212), (1166, 588566), (1364, 503129), (1643, 417692), (1726, 397606), (2332, 294283), (3286, 208846), (3452, 198803), (3751, 182956), (6413, 107012), (6572, 104423), (7502, 91478), (9493, 72292), (12826, 53506), (15004, 45739), (18073, 37972), (18986, 36146), (25652, 26753)]