1618554020

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{153563}}^1$

素因数の和:153620

約数の個数: 48

約数和(自身を含む): 3715020288

約数和(自身を除く): 2096466268

約数列:

[1, 2, 4, 5, 10, 17, 20, 31, 34, 62, 68, 85, 124, 155, 170, 310, 340, 527, 620, 1054, 2108, 2635, 5270, 10540, 153563, 307126, 614252, 767815, 1535630, 2610571, 3071260, 4760453, 5221142, 9520906, 10442284, 13052855, 19041812, 23802265, 26105710, 47604530, 52211420, 80927701, 95209060, 161855402, 323710804, 404638505, 809277010, 1618554020]

約数ペア:

[(1, 1618554020), (2, 809277010), (4, 404638505), (5, 323710804), (10, 161855402), (17, 95209060), (20, 80927701), (31, 52211420), (34, 47604530), (62, 26105710), (68, 23802265), (85, 19041812), (124, 13052855), (155, 10442284), (170, 9520906), (310, 5221142), (340, 4760453), (527, 3071260), (620, 2610571), (1054, 1535630), (2108, 767815), (2635, 614252), (5270, 307126), (10540, 153563)]