71318416

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{1723}}^1$

素因数の和:1943

約数の個数: 40

約数和(自身を含む): 149643200

約数和(自身を除く): 78324784

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 199, 208, 398, 796, 1592, 1723, 2587, 3184, 3446, 5174, 6892, 10348, 13784, 20696, 22399, 27568, 41392, 44798, 89596, 179192, 342877, 358384, 685754, 1371508, 2743016, 4457401, 5486032, 8914802, 17829604, 35659208, 71318416]

約数ペア:

[(1, 71318416), (2, 35659208), (4, 17829604), (8, 8914802), (13, 5486032), (16, 4457401), (26, 2743016), (52, 1371508), (104, 685754), (199, 358384), (208, 342877), (398, 179192), (796, 89596), (1592, 44798), (1723, 41392), (2587, 27568), (3184, 22399), (3446, 20696), (5174, 13784), (6892, 10348)]