31041790

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{3271}}^1$

素因数の和:3364

約数の個数: 32

約数和(自身を含む): 61016256

約数和(自身を除く): 29974466

約数列:

[1, 2, 5, 10, 13, 26, 65, 73, 130, 146, 365, 730, 949, 1898, 3271, 4745, 6542, 9490, 16355, 32710, 42523, 85046, 212615, 238783, 425230, 477566, 1193915, 2387830, 3104179, 6208358, 15520895, 31041790]

約数ペア:

[(1, 31041790), (2, 15520895), (5, 6208358), (10, 3104179), (13, 2387830), (26, 1193915), (65, 477566), (73, 425230), (130, 238783), (146, 212615), (365, 85046), (730, 42523), (949, 32710), (1898, 16355), (3271, 9490), (4745, 6542)]