2099967555

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{409}}^1\times {\mathrm{457}}^1$

素因数の和:988

約数の個数: 64

約数和(自身を含む): 3893806080

約数和(自身を除く): 1793838525

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 107, 321, 409, 457, 535, 749, 1227, 1371, 1605, 2045, 2247, 2285, 2863, 3199, 3745, 6135, 6855, 8589, 9597, 11235, 14315, 15995, 42945, 43763, 47985, 48899, 131289, 146697, 186913, 218815, 244495, 306341, 342293, 560739, 656445, 733485, 919023, 934565, 1026879, 1308391, 1531705, 1711465, 2803695, 3925173, 4595115, 5134395, 6541955, 19625865, 19999691, 59999073, 99998455, 139997837, 299995365, 419993511, 699989185, 2099967555]

約数ペア:

[(1, 2099967555), (3, 699989185), (5, 419993511), (7, 299995365), (15, 139997837), (21, 99998455), (35, 59999073), (105, 19999691), (107, 19625865), (321, 6541955), (409, 5134395), (457, 4595115), (535, 3925173), (749, 2803695), (1227, 1711465), (1371, 1531705), (1605, 1308391), (2045, 1026879), (2247, 934565), (2285, 919023), (2863, 733485), (3199, 656445), (3745, 560739), (6135, 342293), (6855, 306341), (8589, 244495), (9597, 218815), (11235, 186913), (14315, 146697), (15995, 131289), (42945, 48899), (43763, 47985)]