217920229618

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2437}}^1\times {\mathrm{491327}}^1$

素因数の和:493786

約数の個数: 32

約数和(自身を含む): 402480175104

約数和(自身を除く): 184559945486

約数列:

[1, 2, 7, 13, 14, 26, 91, 182, 2437, 4874, 17059, 31681, 34118, 63362, 221767, 443534, 491327, 982654, 3439289, 6387251, 6878578, 12774502, 44710757, 89421514, 1197363899, 2394727798, 8381547293, 15565730687, 16763094586, 31131461374, 108960114809, 217920229618]

約数ペア:

[(1, 217920229618), (2, 108960114809), (7, 31131461374), (13, 16763094586), (14, 15565730687), (26, 8381547293), (91, 2394727798), (182, 1197363899), (2437, 89421514), (4874, 44710757), (17059, 12774502), (31681, 6878578), (34118, 6387251), (63362, 3439289), (221767, 982654), (443534, 491327)]