31007990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{2459}}^1$

素因数の和:2576

約数の個数: 32

約数和(自身を含む): 60752160

約数和(自身を除く): 29744170

約数列:

[1, 2, 5, 10, 13, 26, 65, 97, 130, 194, 485, 970, 1261, 2459, 2522, 4918, 6305, 12295, 12610, 24590, 31967, 63934, 159835, 238523, 319670, 477046, 1192615, 2385230, 3100799, 6201598, 15503995, 31007990]

約数ペア:

[(1, 31007990), (2, 15503995), (5, 6201598), (10, 3100799), (13, 2385230), (26, 1192615), (65, 477046), (97, 319670), (130, 238523), (194, 159835), (485, 63934), (970, 31967), (1261, 24590), (2459, 12610), (2522, 12295), (4918, 6305)]