990621644

素因数分解:

$2^2\times {\mathrm{157}}^1\times {\mathrm{227}}^1\times {\mathrm{6949}}^1$

素因数の和:7337

約数の個数: 24

約数和(自身を含む): 1752567600

約数和(自身を除く): 761945956

約数列:

[1, 2, 4, 157, 227, 314, 454, 628, 908, 6949, 13898, 27796, 35639, 71278, 142556, 1090993, 1577423, 2181986, 3154846, 4363972, 6309692, 247655411, 495310822, 990621644]

約数ペア:

[(1, 990621644), (2, 495310822), (4, 247655411), (157, 6309692), (227, 4363972), (314, 3154846), (454, 2181986), (628, 1577423), (908, 1090993), (6949, 142556), (13898, 71278), (27796, 35639)]