28939330

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{331}}^1\times {\mathrm{1249}}^1$

素因数の和:1594

約数の個数: 32

約数和(自身を含む): 59760000

約数和(自身を除く): 30820670

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 331, 662, 1249, 1655, 2317, 2498, 3310, 4634, 6245, 8743, 11585, 12490, 17486, 23170, 43715, 87430, 413419, 826838, 2067095, 2893933, 4134190, 5787866, 14469665, 28939330]

約数ペア:

[(1, 28939330), (2, 14469665), (5, 5787866), (7, 4134190), (10, 2893933), (14, 2067095), (35, 826838), (70, 413419), (331, 87430), (662, 43715), (1249, 23170), (1655, 17486), (2317, 12490), (2498, 11585), (3310, 8743), (4634, 6245)]