1661015811

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{137}}^1\times {\mathrm{499}}^1$

素因数の和:748

約数の個数: 64

約数和(自身を含む): 2782080000

約数和(自身を除く): 1121064189

約数列:

[1, 3, 7, 13, 21, 39, 89, 91, 137, 267, 273, 411, 499, 623, 959, 1157, 1497, 1781, 1869, 2877, 3471, 3493, 5343, 6487, 8099, 10479, 12193, 12467, 19461, 24297, 36579, 37401, 44411, 45409, 68363, 85351, 133233, 136227, 158509, 205089, 256053, 310877, 475527, 478541, 577343, 888719, 932631, 1109563, 1435623, 1732029, 2666157, 3328689, 4041401, 6084307, 6221033, 12124203, 18252921, 18663099, 42590149, 79095991, 127770447, 237287973, 553671937, 1661015811]

約数ペア:

[(1, 1661015811), (3, 553671937), (7, 237287973), (13, 127770447), (21, 79095991), (39, 42590149), (89, 18663099), (91, 18252921), (137, 12124203), (267, 6221033), (273, 6084307), (411, 4041401), (499, 3328689), (623, 2666157), (959, 1732029), (1157, 1435623), (1497, 1109563), (1781, 932631), (1869, 888719), (2877, 577343), (3471, 478541), (3493, 475527), (5343, 310877), (6487, 256053), (8099, 205089), (10479, 158509), (12193, 136227), (12467, 133233), (19461, 85351), (24297, 68363), (36579, 45409), (37401, 44411)]