851647485

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{137}}^1\times {\mathrm{449}}^1$

素因数の和:678

約数の個数: 64

約数和(自身を含む): 1502323200

約数和(自身を除く): 650675715

約数列:

[1, 3, 5, 13, 15, 39, 65, 71, 137, 195, 213, 355, 411, 449, 685, 923, 1065, 1347, 1781, 2055, 2245, 2769, 4615, 5343, 5837, 6735, 8905, 9727, 13845, 17511, 26715, 29181, 29185, 31879, 48635, 61513, 87555, 95637, 126451, 145905, 159395, 184539, 307565, 379353, 414427, 478185, 632255, 799669, 922695, 1243281, 1896765, 2072135, 2399007, 3998345, 4367423, 6216405, 11995035, 13102269, 21837115, 56776499, 65511345, 170329497, 283882495, 851647485]

約数ペア:

[(1, 851647485), (3, 283882495), (5, 170329497), (13, 65511345), (15, 56776499), (39, 21837115), (65, 13102269), (71, 11995035), (137, 6216405), (195, 4367423), (213, 3998345), (355, 2399007), (411, 2072135), (449, 1896765), (685, 1243281), (923, 922695), (1065, 799669), (1347, 632255), (1781, 478185), (2055, 414427), (2245, 379353), (2769, 307565), (4615, 184539), (5343, 159395), (5837, 145905), (6735, 126451), (8905, 95637), (9727, 87555), (13845, 61513), (17511, 48635), (26715, 31879), (29181, 29185)]