1315990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{191}}^1$

素因数の和:264

約数の個数: 32

約数和(自身を含む): 2612736

約数和(自身を除く): 1296746

約数列:

[1, 2, 5, 10, 13, 26, 53, 65, 106, 130, 191, 265, 382, 530, 689, 955, 1378, 1910, 2483, 3445, 4966, 6890, 10123, 12415, 20246, 24830, 50615, 101230, 131599, 263198, 657995, 1315990]

約数ペア:

[(1, 1315990), (2, 657995), (5, 263198), (10, 131599), (13, 101230), (26, 50615), (53, 24830), (65, 20246), (106, 12415), (130, 10123), (191, 6890), (265, 4966), (382, 3445), (530, 2483), (689, 1910), (955, 1378)]