128527990

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{9109}}^1$

素因数の和:9216

約数の個数: 32

約数和(自身を含む): 247937760

約数和(自身を除く): 119409770

約数列:

[1, 2, 5, 10, 17, 34, 83, 85, 166, 170, 415, 830, 1411, 2822, 7055, 9109, 14110, 18218, 45545, 91090, 154853, 309706, 756047, 774265, 1512094, 1548530, 3780235, 7560470, 12852799, 25705598, 64263995, 128527990]

約数ペア:

[(1, 128527990), (2, 64263995), (5, 25705598), (10, 12852799), (17, 7560470), (34, 3780235), (83, 1548530), (85, 1512094), (166, 774265), (170, 756047), (415, 309706), (830, 154853), (1411, 91090), (2822, 45545), (7055, 18218), (9109, 14110)]