221475155

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{2531}}^1$

素因数の和:2627

約数の個数: 32

約数和(自身を含む): 304812288

約数和(自身を除く): 83337133

約数列:

[1, 5, 11, 37, 43, 55, 185, 215, 407, 473, 1591, 2035, 2365, 2531, 7955, 12655, 17501, 27841, 87505, 93647, 108833, 139205, 468235, 544165, 1030117, 1197163, 4026821, 5150585, 5985815, 20134105, 44295031, 221475155]

約数ペア:

[(1, 221475155), (5, 44295031), (11, 20134105), (37, 5985815), (43, 5150585), (55, 4026821), (185, 1197163), (215, 1030117), (407, 544165), (473, 468235), (1591, 139205), (2035, 108833), (2365, 93647), (2531, 87505), (7955, 27841), (12655, 17501)]