397324972

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{87671}}^1$

素因数の和:87789

約数の個数: 24

約数和(自身を含む): 765902592

約数和(自身を除く): 368577620

約数列:

[1, 2, 4, 11, 22, 44, 103, 206, 412, 1133, 2266, 4532, 87671, 175342, 350684, 964381, 1928762, 3857524, 9030113, 18060226, 36120452, 99331243, 198662486, 397324972]

約数ペア:

[(1, 397324972), (2, 198662486), (4, 99331243), (11, 36120452), (22, 18060226), (44, 9030113), (103, 3857524), (206, 1928762), (412, 964381), (1133, 350684), (2266, 175342), (4532, 87671)]