28245078

素因数分解:

$2^1\times 3^3\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1$

素因数の和:274

約数の個数: 64

約数和(自身を含む): 65318400

約数和(自身を除く): 37073322

約数列:

[1, 2, 3, 6, 9, 18, 27, 53, 54, 71, 106, 139, 142, 159, 213, 278, 318, 417, 426, 477, 639, 834, 954, 1251, 1278, 1431, 1917, 2502, 2862, 3753, 3763, 3834, 7367, 7506, 7526, 9869, 11289, 14734, 19738, 22101, 22578, 29607, 33867, 44202, 59214, 66303, 67734, 88821, 101601, 132606, 177642, 198909, 203202, 266463, 397818, 523057, 532926, 1046114, 1569171, 3138342, 4707513, 9415026, 14122539, 28245078]

約数ペア:

[(1, 28245078), (2, 14122539), (3, 9415026), (6, 4707513), (9, 3138342), (18, 1569171), (27, 1046114), (53, 532926), (54, 523057), (71, 397818), (106, 266463), (139, 203202), (142, 198909), (159, 177642), (213, 132606), (278, 101601), (318, 88821), (417, 67734), (426, 66303), (477, 59214), (639, 44202), (834, 33867), (954, 29607), (1251, 22578), (1278, 22101), (1431, 19738), (1917, 14734), (2502, 11289), (2862, 9869), (3753, 7526), (3763, 7506), (3834, 7367)]