90390638

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{2731}}^1$

素因数の和:2832

約数の個数: 32

約数和(自身を含む): 156051840

約数和(自身を除く): 65661202

約数列:

[1, 2, 13, 19, 26, 38, 67, 134, 247, 494, 871, 1273, 1742, 2546, 2731, 5462, 16549, 33098, 35503, 51889, 71006, 103778, 182977, 365954, 674557, 1349114, 2378701, 3476563, 4757402, 6953126, 45195319, 90390638]

約数ペア:

[(1, 90390638), (2, 45195319), (13, 6953126), (19, 4757402), (26, 3476563), (38, 2378701), (67, 1349114), (134, 674557), (247, 365954), (494, 182977), (871, 103778), (1273, 71006), (1742, 51889), (2546, 35503), (2731, 33098), (5462, 16549)]