1639473628

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{354251}}^1$

素因数の和:354357

約数の個数: 24

約数和(自身を含む): 3124502640

約数和(自身を除く): 1485029012

約数列:

[1, 2, 4, 13, 26, 52, 89, 178, 356, 1157, 2314, 4628, 354251, 708502, 1417004, 4605263, 9210526, 18421052, 31528339, 63056678, 126113356, 409868407, 819736814, 1639473628]

約数ペア:

[(1, 1639473628), (2, 819736814), (4, 409868407), (13, 126113356), (26, 63056678), (52, 31528339), (89, 18421052), (178, 9210526), (356, 4605263), (1157, 1417004), (2314, 708502), (4628, 354251)]