917905090

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{881}}^1\times {\mathrm{2423}}^1$

素因数の和:3354

約数の個数: 32

約数和(自身を含む): 1693270656

約数和(自身を除く): 775365566

約数列:

[1, 2, 5, 10, 43, 86, 215, 430, 881, 1762, 2423, 4405, 4846, 8810, 12115, 24230, 37883, 75766, 104189, 189415, 208378, 378830, 520945, 1041890, 2134663, 4269326, 10673315, 21346630, 91790509, 183581018, 458952545, 917905090]

約数ペア:

[(1, 917905090), (2, 458952545), (5, 183581018), (10, 91790509), (43, 21346630), (86, 10673315), (215, 4269326), (430, 2134663), (881, 1041890), (1762, 520945), (2423, 378830), (4405, 208378), (4846, 189415), (8810, 104189), (12115, 75766), (24230, 37883)]