8490590

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{449}}^1$

素因数の和:548

約数の個数: 32

約数和(自身を含む): 16070400

約数和(自身を除く): 7579810

約数列:

[1, 2, 5, 10, 31, 61, 62, 122, 155, 305, 310, 449, 610, 898, 1891, 2245, 3782, 4490, 9455, 13919, 18910, 27389, 27838, 54778, 69595, 136945, 139190, 273890, 849059, 1698118, 4245295, 8490590]

約数ペア:

[(1, 8490590), (2, 4245295), (5, 1698118), (10, 849059), (31, 273890), (61, 139190), (62, 136945), (122, 69595), (155, 54778), (305, 27838), (310, 27389), (449, 18910), (610, 13919), (898, 9455), (1891, 4490), (2245, 3782)]