1581567316

素因数分解:

$2^2\times 7^2\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{3919}}^1$

素因数の和:4037

約数の個数: 72

約数和(自身を含む): 3378412800

約数和(自身を除く): 1796845484

約数列:

[1, 2, 4, 7, 14, 28, 29, 49, 58, 71, 98, 116, 142, 196, 203, 284, 406, 497, 812, 994, 1421, 1988, 2059, 2842, 3479, 3919, 4118, 5684, 6958, 7838, 8236, 13916, 14413, 15676, 27433, 28826, 54866, 57652, 100891, 109732, 113651, 192031, 201782, 227302, 278249, 384062, 403564, 454604, 556498, 768124, 795557, 1112996, 1591114, 1947743, 3182228, 3895486, 5568899, 7790972, 8069221, 11137798, 13634201, 16138442, 22275596, 27268402, 32276884, 54536804, 56484547, 112969094, 225938188, 395391829, 790783658, 1581567316]

約数ペア:

[(1, 1581567316), (2, 790783658), (4, 395391829), (7, 225938188), (14, 112969094), (28, 56484547), (29, 54536804), (49, 32276884), (58, 27268402), (71, 22275596), (98, 16138442), (116, 13634201), (142, 11137798), (196, 8069221), (203, 7790972), (284, 5568899), (406, 3895486), (497, 3182228), (812, 1947743), (994, 1591114), (1421, 1112996), (1988, 795557), (2059, 768124), (2842, 556498), (3479, 454604), (3919, 403564), (4118, 384062), (5684, 278249), (6958, 227302), (7838, 201782), (8236, 192031), (13916, 113651), (14413, 109732), (15676, 100891), (27433, 57652), (28826, 54866)]