221657487928

素因数分解:

$2^3\times {\mathrm{191}}^1\times {\mathrm{145063801}}^1$

素因数の和:145063998

約数の個数: 16

約数和(自身を含む): 417783749760

約数和(自身を除く): 196126261832

約数列:

[1, 2, 4, 8, 191, 382, 764, 1528, 145063801, 290127602, 580255204, 1160510408, 27707185991, 55414371982, 110828743964, 221657487928]

約数ペア:

[(1, 221657487928), (2, 110828743964), (4, 55414371982), (8, 27707185991), (191, 1160510408), (382, 580255204), (764, 290127602), (1528, 145063801)]