289577981

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{113}}^1\times {\mathrm{1447}}^1$

素因数の和:1601

約数の個数: 32

約数和(自身を含む): 380325888

約数和(自身を除く): 90747907

約数列:

[1, 7, 11, 23, 77, 113, 161, 253, 791, 1243, 1447, 1771, 2599, 8701, 10129, 15917, 18193, 28589, 33281, 111419, 163511, 200123, 232967, 366091, 1144577, 1798621, 2562637, 3760753, 12590347, 26325271, 41368283, 289577981]

約数ペア:

[(1, 289577981), (7, 41368283), (11, 26325271), (23, 12590347), (77, 3760753), (113, 2562637), (161, 1798621), (253, 1144577), (791, 366091), (1243, 232967), (1447, 200123), (1771, 163511), (2599, 111419), (8701, 33281), (10129, 28589), (15917, 18193)]