128517110

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{17581}}^1$

素因数の和:17648

約数の個数: 32

約数和(自身を含む): 250648992

約数和(自身を除く): 122131882

約数列:

[1, 2, 5, 10, 17, 34, 43, 85, 86, 170, 215, 430, 731, 1462, 3655, 7310, 17581, 35162, 87905, 175810, 298877, 597754, 755983, 1494385, 1511966, 2988770, 3779915, 7559830, 12851711, 25703422, 64258555, 128517110]

約数ペア:

[(1, 128517110), (2, 64258555), (5, 25703422), (10, 12851711), (17, 7559830), (34, 3779915), (43, 2988770), (85, 1511966), (86, 1494385), (170, 755983), (215, 597754), (430, 298877), (731, 175810), (1462, 87905), (3655, 35162), (7310, 17581)]