789886448

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{122501}}^1$

素因数の和:122553

約数の個数: 40

約数和(自身を含む): 1701307776

約数和(自身を除く): 911421328

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 52, 62, 104, 124, 208, 248, 403, 496, 806, 1612, 3224, 6448, 122501, 245002, 490004, 980008, 1592513, 1960016, 3185026, 3797531, 6370052, 7595062, 12740104, 15190124, 25480208, 30380248, 49367903, 60760496, 98735806, 197471612, 394943224, 789886448]

約数ペア:

[(1, 789886448), (2, 394943224), (4, 197471612), (8, 98735806), (13, 60760496), (16, 49367903), (26, 30380248), (31, 25480208), (52, 15190124), (62, 12740104), (104, 7595062), (124, 6370052), (208, 3797531), (248, 3185026), (403, 1960016), (496, 1592513), (806, 980008), (1612, 490004), (3224, 245002), (6448, 122501)]