89691290

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{3467}}^1$

素因数の和:3686

約数の個数: 32

約数和(自身を含む): 174787200

約数和(自身を除く): 85095910

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 199, 398, 995, 1990, 2587, 3467, 5174, 6934, 12935, 17335, 25870, 34670, 45071, 90142, 225355, 450710, 689933, 1379866, 3449665, 6899330, 8969129, 17938258, 44845645, 89691290]

約数ペア:

[(1, 89691290), (2, 44845645), (5, 17938258), (10, 8969129), (13, 6899330), (26, 3449665), (65, 1379866), (130, 689933), (199, 450710), (398, 225355), (995, 90142), (1990, 45071), (2587, 34670), (3467, 25870), (5174, 17335), (6934, 12935)]