668549330

素因数分解:

$2^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{131}}^1\times {\mathrm{6991}}^1$

素因数の和:7202

約数の個数: 32

約数和(自身を含む): 1229361408

約数和(自身を除く): 560812078

約数列:

[1, 2, 5, 10, 73, 131, 146, 262, 365, 655, 730, 1310, 6991, 9563, 13982, 19126, 34955, 47815, 69910, 95630, 510343, 915821, 1020686, 1831642, 2551715, 4579105, 5103430, 9158210, 66854933, 133709866, 334274665, 668549330]

約数ペア:

[(1, 668549330), (2, 334274665), (5, 133709866), (10, 66854933), (73, 9158210), (131, 5103430), (146, 4579105), (262, 2551715), (365, 1831642), (655, 1020686), (730, 915821), (1310, 510343), (6991, 95630), (9563, 69910), (13982, 47815), (19126, 34955)]