133151980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{7213}}^1$

素因数の和:7306

約数の個数: 48

約数和(自身を含む): 305411904

約数和(自身を除く): 172259924

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 71, 130, 142, 260, 284, 355, 710, 923, 1420, 1846, 3692, 4615, 7213, 9230, 14426, 18460, 28852, 36065, 72130, 93769, 144260, 187538, 375076, 468845, 512123, 937690, 1024246, 1875380, 2048492, 2560615, 5121230, 6657599, 10242460, 13315198, 26630396, 33287995, 66575990, 133151980]

約数ペア:

[(1, 133151980), (2, 66575990), (4, 33287995), (5, 26630396), (10, 13315198), (13, 10242460), (20, 6657599), (26, 5121230), (52, 2560615), (65, 2048492), (71, 1875380), (130, 1024246), (142, 937690), (260, 512123), (284, 468845), (355, 375076), (710, 187538), (923, 144260), (1420, 93769), (1846, 72130), (3692, 36065), (4615, 28852), (7213, 18460), (9230, 14426)]