15821390

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{7159}}^1$

素因数の和:7196

約数の個数: 32

約数和(自身を含む): 32477760

約数和(自身を除く): 16656370

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 85, 130, 170, 221, 442, 1105, 2210, 7159, 14318, 35795, 71590, 93067, 121703, 186134, 243406, 465335, 608515, 930670, 1217030, 1582139, 3164278, 7910695, 15821390]

約数ペア:

[(1, 15821390), (2, 7910695), (5, 3164278), (10, 1582139), (13, 1217030), (17, 930670), (26, 608515), (34, 465335), (65, 243406), (85, 186134), (130, 121703), (170, 93067), (221, 71590), (442, 35795), (1105, 14318), (2210, 7159)]