689253994

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{887}}^1$

素因数の和:956

約数の個数: 72

約数和(自身を含む): 1296781920

約数和(自身を除く): 607527926

約数列:

[1, 2, 11, 13, 19, 22, 26, 38, 121, 143, 169, 209, 242, 247, 286, 338, 418, 494, 887, 1573, 1774, 1859, 2299, 2717, 3146, 3211, 3718, 4598, 5434, 6422, 9757, 11531, 16853, 19514, 20449, 23062, 29887, 33706, 35321, 40898, 59774, 70642, 107327, 126841, 149903, 185383, 214654, 219089, 253682, 299806, 370766, 388531, 438178, 777062, 1395251, 1648933, 2039213, 2409979, 2790502, 2848157, 3297866, 4078426, 4819958, 5696314, 18138263, 26509769, 31329727, 36276526, 53019538, 62659454, 344626997, 689253994]

約数ペア:

[(1, 689253994), (2, 344626997), (11, 62659454), (13, 53019538), (19, 36276526), (22, 31329727), (26, 26509769), (38, 18138263), (121, 5696314), (143, 4819958), (169, 4078426), (209, 3297866), (242, 2848157), (247, 2790502), (286, 2409979), (338, 2039213), (418, 1648933), (494, 1395251), (887, 777062), (1573, 438178), (1774, 388531), (1859, 370766), (2299, 299806), (2717, 253682), (3146, 219089), (3211, 214654), (3718, 185383), (4598, 149903), (5434, 126841), (6422, 107327), (9757, 70642), (11531, 59774), (16853, 40898), (19514, 35321), (20449, 33706), (23062, 29887)]