817365890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{18257}}^1$

素因数の和:18323

約数の個数: 48

約数和(自身を含む): 1660966776

約数和(自身を除く): 843600886

約数列:

[1, 2, 5, 10, 11, 22, 37, 55, 74, 110, 121, 185, 242, 370, 407, 605, 814, 1210, 2035, 4070, 4477, 8954, 18257, 22385, 36514, 44770, 91285, 182570, 200827, 401654, 675509, 1004135, 1351018, 2008270, 2209097, 3377545, 4418194, 6755090, 7430599, 11045485, 14861198, 22090970, 37152995, 74305990, 81736589, 163473178, 408682945, 817365890]

約数ペア:

[(1, 817365890), (2, 408682945), (5, 163473178), (10, 81736589), (11, 74305990), (22, 37152995), (37, 22090970), (55, 14861198), (74, 11045485), (110, 7430599), (121, 6755090), (185, 4418194), (242, 3377545), (370, 2209097), (407, 2008270), (605, 1351018), (814, 1004135), (1210, 675509), (2035, 401654), (4070, 200827), (4477, 182570), (8954, 91285), (18257, 44770), (22385, 36514)]