7173790

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{397}}^1$

素因数の和:556

約数の個数: 32

約数和(自身を含む): 14041440

約数和(自身を除く): 6867650

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 139, 278, 397, 695, 794, 1390, 1807, 1985, 3614, 3970, 5161, 9035, 10322, 18070, 25805, 51610, 55183, 110366, 275915, 551830, 717379, 1434758, 3586895, 7173790]

約数ペア:

[(1, 7173790), (2, 3586895), (5, 1434758), (10, 717379), (13, 551830), (26, 275915), (65, 110366), (130, 55183), (139, 51610), (278, 25805), (397, 18070), (695, 10322), (794, 9035), (1390, 5161), (1807, 3970), (1985, 3614)]