551981164

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{635923}}^1$

素因数の和:635965

約数の個数: 24

約数和(自身を含む): 1139575808

約数和(自身を除く): 587594644

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 217, 434, 868, 635923, 1271846, 2543692, 4451461, 8902922, 17805844, 19713613, 39427226, 78854452, 137995291, 275990582, 551981164]

約数ペア:

[(1, 551981164), (2, 275990582), (4, 137995291), (7, 78854452), (14, 39427226), (28, 19713613), (31, 17805844), (62, 8902922), (124, 4451461), (217, 2543692), (434, 1271846), (868, 635923)]