281122010

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1321}}^1\times {\mathrm{1637}}^1$

素因数の和:2978

約数の個数: 32

約数和(自身を含む): 545689872

約数和(自身を除く): 264567862

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 1321, 1637, 2642, 3274, 6605, 8185, 13210, 16370, 17173, 21281, 34346, 42562, 85865, 106405, 171730, 212810, 2162477, 4324954, 10812385, 21624770, 28112201, 56224402, 140561005, 281122010]

約数ペア:

[(1, 281122010), (2, 140561005), (5, 56224402), (10, 28112201), (13, 21624770), (26, 10812385), (65, 4324954), (130, 2162477), (1321, 212810), (1637, 171730), (2642, 106405), (3274, 85865), (6605, 42562), (8185, 34346), (13210, 21281), (16370, 17173)]