31564924

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{101}}^1$

素因数の和:250

約数の個数: 48

約数和(自身を含む): 60318720

約数和(自身を除く): 28753796

約数列:

[1, 2, 4, 23, 43, 46, 79, 86, 92, 101, 158, 172, 202, 316, 404, 989, 1817, 1978, 2323, 3397, 3634, 3956, 4343, 4646, 6794, 7268, 7979, 8686, 9292, 13588, 15958, 17372, 31916, 78131, 99889, 156262, 183517, 199778, 312524, 343097, 367034, 399556, 686194, 734068, 1372388, 7891231, 15782462, 31564924]

約数ペア:

[(1, 31564924), (2, 15782462), (4, 7891231), (23, 1372388), (43, 734068), (46, 686194), (79, 399556), (86, 367034), (92, 343097), (101, 312524), (158, 199778), (172, 183517), (202, 156262), (316, 99889), (404, 78131), (989, 31916), (1817, 17372), (1978, 15958), (2323, 13588), (3397, 9292), (3634, 8686), (3956, 7979), (4343, 7268), (4646, 6794)]