520019213

素因数分解:

$7^3\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{2273}}^1$

素因数の和:2346

約数の個数: 32

約数和(自身を含む): 654912000

約数和(自身を除く): 134892787

約数列:

[1, 7, 23, 29, 49, 161, 203, 343, 667, 1127, 1421, 2273, 4669, 7889, 9947, 15911, 32683, 52279, 65917, 111377, 228781, 365953, 461419, 779639, 1516091, 2561671, 3229933, 10612637, 17931697, 22609531, 74288459, 520019213]

約数ペア:

[(1, 520019213), (7, 74288459), (23, 22609531), (29, 17931697), (49, 10612637), (161, 3229933), (203, 2561671), (343, 1516091), (667, 779639), (1127, 461419), (1421, 365953), (2273, 228781), (4669, 111377), (7889, 65917), (9947, 52279), (15911, 32683)]