85865991644

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{281}}^1\times {\mathrm{647}}^1\times {\mathrm{1663}}^1$

素因数の和:2666

約数の個数: 48

約数和(自身を含む): 153252642816

約数和(自身を除く): 67386651172

約数列:

[1, 2, 4, 71, 142, 281, 284, 562, 647, 1124, 1294, 1663, 2588, 3326, 6652, 19951, 39902, 45937, 79804, 91874, 118073, 181807, 183748, 236146, 363614, 467303, 472292, 727228, 934606, 1075961, 1869212, 2151922, 4303844, 12908297, 25816594, 33178513, 51633188, 66357026, 76393231, 132714052, 152786462, 302345041, 305572924, 604690082, 1209380164, 21466497911, 42932995822, 85865991644]

約数ペア:

[(1, 85865991644), (2, 42932995822), (4, 21466497911), (71, 1209380164), (142, 604690082), (281, 305572924), (284, 302345041), (562, 152786462), (647, 132714052), (1124, 76393231), (1294, 66357026), (1663, 51633188), (2588, 33178513), (3326, 25816594), (6652, 12908297), (19951, 4303844), (39902, 2151922), (45937, 1869212), (79804, 1075961), (91874, 934606), (118073, 727228), (181807, 472292), (183748, 467303), (236146, 363614)]