149207890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{431}}^1\times {\mathrm{2663}}^1$

素因数の和:3114

約数の個数: 32

約数和(自身を含む): 290013696

約数和(自身を除く): 140805806

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 431, 862, 2155, 2663, 4310, 5326, 5603, 11206, 13315, 26630, 28015, 34619, 56030, 69238, 173095, 346190, 1147753, 2295506, 5738765, 11477530, 14920789, 29841578, 74603945, 149207890]

約数ペア:

[(1, 149207890), (2, 74603945), (5, 29841578), (10, 14920789), (13, 11477530), (26, 5738765), (65, 2295506), (130, 1147753), (431, 346190), (862, 173095), (2155, 69238), (2663, 56030), (4310, 34619), (5326, 28015), (5603, 26630), (11206, 13315)]