290417414

素因数分解:

$2^1\times 7^3\times {\mathrm{331}}^1\times {\mathrm{1279}}^1$

素因数の和:1633

約数の個数: 32

約数和(自身を含む): 509952000

約数和(自身を除く): 219534586

約数列:

[1, 2, 7, 14, 49, 98, 331, 343, 662, 686, 1279, 2317, 2558, 4634, 8953, 16219, 17906, 32438, 62671, 113533, 125342, 227066, 423349, 438697, 846698, 877394, 2963443, 5926886, 20744101, 41488202, 145208707, 290417414]

約数ペア:

[(1, 290417414), (2, 145208707), (7, 41488202), (14, 20744101), (49, 5926886), (98, 2963443), (331, 877394), (343, 846698), (662, 438697), (686, 423349), (1279, 227066), (2317, 125342), (2558, 113533), (4634, 62671), (8953, 32438), (16219, 17906)]