990789410

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{448321}}^1$

素因数の和:448358

約数の個数: 32

約数和(自身を含む): 2033588592

約数和(自身を除く): 1042799182

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 85, 130, 170, 221, 442, 1105, 2210, 448321, 896642, 2241605, 4483210, 5828173, 7621457, 11656346, 15242914, 29140865, 38107285, 58281730, 76214570, 99078941, 198157882, 495394705, 990789410]

約数ペア:

[(1, 990789410), (2, 495394705), (5, 198157882), (10, 99078941), (13, 76214570), (17, 58281730), (26, 38107285), (34, 29140865), (65, 15242914), (85, 11656346), (130, 7621457), (170, 5828173), (221, 4483210), (442, 2241605), (1105, 896642), (2210, 448321)]