1997009212

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{251}}^1\times {\mathrm{307}}^1$

素因数の和:623

約数の個数: 96

約数和(自身を含む): 4172636160

約数和(自身を除く): 2175626948

約数列:

[1, 2, 4, 11, 19, 22, 31, 38, 44, 62, 76, 124, 209, 251, 307, 341, 418, 502, 589, 614, 682, 836, 1004, 1178, 1228, 1364, 2356, 2761, 3377, 4769, 5522, 5833, 6479, 6754, 7781, 9517, 9538, 11044, 11666, 12958, 13508, 15562, 19034, 19076, 23332, 25916, 31124, 38068, 52459, 64163, 77057, 85591, 104687, 104918, 128326, 147839, 154114, 171182, 180823, 209374, 209836, 256652, 295678, 308228, 342364, 361646, 418748, 591356, 723292, 847627, 1464083, 1626229, 1695254, 1989053, 2388767, 2928166, 3252458, 3390508, 3978106, 4777534, 5856332, 6504916, 7956212, 9555068, 16104913, 26276437, 32209826, 45386573, 52552874, 64419652, 90773146, 105105748, 181546292, 499252303, 998504606, 1997009212]

約数ペア:

[(1, 1997009212), (2, 998504606), (4, 499252303), (11, 181546292), (19, 105105748), (22, 90773146), (31, 64419652), (38, 52552874), (44, 45386573), (62, 32209826), (76, 26276437), (124, 16104913), (209, 9555068), (251, 7956212), (307, 6504916), (341, 5856332), (418, 4777534), (502, 3978106), (589, 3390508), (614, 3252458), (682, 2928166), (836, 2388767), (1004, 1989053), (1178, 1695254), (1228, 1626229), (1364, 1464083), (2356, 847627), (2761, 723292), (3377, 591356), (4769, 418748), (5522, 361646), (5833, 342364), (6479, 308228), (6754, 295678), (7781, 256652), (9517, 209836), (9538, 209374), (11044, 180823), (11666, 171182), (12958, 154114), (13508, 147839), (15562, 128326), (19034, 104918), (19076, 104687), (23332, 85591), (25916, 77057), (31124, 64163), (38068, 52459)]