400697954

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{127}}^1\times {\mathrm{1051}}^1$

素因数の和:1278

約数の個数: 32

約数和(自身を含む): 646348800

約数和(自身を除く): 245650846

約数列:

[1, 2, 19, 38, 79, 127, 158, 254, 1051, 1501, 2102, 2413, 3002, 4826, 10033, 19969, 20066, 39938, 83029, 133477, 166058, 190627, 266954, 381254, 1577551, 2536063, 3155102, 5072126, 10544683, 21089366, 200348977, 400697954]

約数ペア:

[(1, 400697954), (2, 200348977), (19, 21089366), (38, 10544683), (79, 5072126), (127, 3155102), (158, 2536063), (254, 1577551), (1051, 381254), (1501, 266954), (2102, 190627), (2413, 166058), (3002, 133477), (4826, 83029), (10033, 39938), (19969, 20066)]