2017151890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{71}}^1\times {\mathrm{16811}}^1$

素因数の和:16915

約数の個数: 48

約数和(自身を含む): 3987268416

約数和(自身を除く): 1970116526

約数列:

[1, 2, 5, 10, 13, 26, 65, 71, 130, 142, 169, 338, 355, 710, 845, 923, 1690, 1846, 4615, 9230, 11999, 16811, 23998, 33622, 59995, 84055, 119990, 168110, 218543, 437086, 1092715, 1193581, 2185430, 2387162, 2841059, 5682118, 5967905, 11935810, 14205295, 15516553, 28410590, 31033106, 77582765, 155165530, 201715189, 403430378, 1008575945, 2017151890]

約数ペア:

[(1, 2017151890), (2, 1008575945), (5, 403430378), (10, 201715189), (13, 155165530), (26, 77582765), (65, 31033106), (71, 28410590), (130, 15516553), (142, 14205295), (169, 11935810), (338, 5967905), (355, 5682118), (710, 2841059), (845, 2387162), (923, 2185430), (1690, 1193581), (1846, 1092715), (4615, 437086), (9230, 218543), (11999, 168110), (16811, 119990), (23998, 84055), (33622, 59995)]