29981965

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{631}}^1$

素因数の和:709

約数の個数: 32

約数和(自身を含む): 42045696

約数和(自身を除く): 12063731

約数列:

[1, 5, 13, 17, 43, 65, 85, 215, 221, 559, 631, 731, 1105, 2795, 3155, 3655, 8203, 9503, 10727, 27133, 41015, 47515, 53635, 135665, 139451, 352729, 461261, 697255, 1763645, 2306305, 5996393, 29981965]

約数ペア:

[(1, 29981965), (5, 5996393), (13, 2306305), (17, 1763645), (43, 697255), (65, 461261), (85, 352729), (215, 139451), (221, 135665), (559, 53635), (631, 47515), (731, 41015), (1105, 27133), (2795, 10727), (3155, 9503), (3655, 8203)]