2081297400265

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{251}}^1\times {\mathrm{2815627}}^1$

素因数の和:2815933

約数の個数: 32

約数和(自身を含む): 2724626903040

約数和(自身を除く): 643329502775

約数列:

[1, 5, 19, 31, 95, 155, 251, 589, 1255, 2945, 4769, 7781, 23845, 38905, 147839, 739195, 2815627, 14078135, 53496913, 87284437, 267484565, 436422185, 706722377, 1658404303, 3533611885, 8292021515, 13427725163, 21908393687, 67138625815, 109541968435, 416259480053, 2081297400265]

約数ペア:

[(1, 2081297400265), (5, 416259480053), (19, 109541968435), (31, 67138625815), (95, 21908393687), (155, 13427725163), (251, 8292021515), (589, 3533611885), (1255, 1658404303), (2945, 706722377), (4769, 436422185), (7781, 267484565), (23845, 87284437), (38905, 53496913), (147839, 14078135), (739195, 2815627)]