81221164

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{6269}}^1$

素因数の和:6393

約数の個数: 24

約数和(自身を含む): 147470400

約数和(自身を除く): 66249236

約数列:

[1, 2, 4, 41, 79, 82, 158, 164, 316, 3239, 6269, 6478, 12538, 12956, 25076, 257029, 495251, 514058, 990502, 1028116, 1981004, 20305291, 40610582, 81221164]

約数ペア:

[(1, 81221164), (2, 40610582), (4, 20305291), (41, 1981004), (79, 1028116), (82, 990502), (158, 514058), (164, 495251), (316, 257029), (3239, 25076), (6269, 12956), (6478, 12538)]