642701735

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{2663}}^1$

素因数の和:2807

約数の個数: 32

約数和(自身を含む): 859299840

約数和(自身を除く): 216598105

約数列:

[1, 5, 13, 47, 65, 79, 235, 395, 611, 1027, 2663, 3055, 3713, 5135, 13315, 18565, 34619, 48269, 125161, 173095, 210377, 241345, 625805, 1051885, 1627093, 2734901, 8135465, 9887719, 13674505, 49438595, 128540347, 642701735]

約数ペア:

[(1, 642701735), (5, 128540347), (13, 49438595), (47, 13674505), (65, 9887719), (79, 8135465), (235, 2734901), (395, 1627093), (611, 1051885), (1027, 625805), (2663, 241345), (3055, 210377), (3713, 173095), (5135, 125161), (13315, 48269), (18565, 34619)]