15661828

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2531}}^1$

素因数の和:2572

約数の個数: 48

約数和(自身を含む): 35731584

約数和(自身を除く): 20069756

約数列:

[1, 2, 4, 7, 13, 14, 17, 26, 28, 34, 52, 68, 91, 119, 182, 221, 238, 364, 442, 476, 884, 1547, 2531, 3094, 5062, 6188, 10124, 17717, 32903, 35434, 43027, 65806, 70868, 86054, 131612, 172108, 230321, 301189, 460642, 559351, 602378, 921284, 1118702, 1204756, 2237404, 3915457, 7830914, 15661828]

約数ペア:

[(1, 15661828), (2, 7830914), (4, 3915457), (7, 2237404), (13, 1204756), (14, 1118702), (17, 921284), (26, 602378), (28, 559351), (34, 460642), (52, 301189), (68, 230321), (91, 172108), (119, 131612), (182, 86054), (221, 70868), (238, 65806), (364, 43027), (442, 35434), (476, 32903), (884, 17717), (1547, 10124), (2531, 6188), (3094, 5062)]