128888332972

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{1274759}}^1$

素因数の和:1274950

約数の個数: 48

約数和(自身を含む): 270697835520

約数和(自身を除く): 141809502548

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 92, 157, 161, 314, 322, 628, 644, 1099, 2198, 3611, 4396, 7222, 14444, 25277, 50554, 101108, 1274759, 2549518, 5099036, 8923313, 17846626, 29319457, 35693252, 58638914, 117277828, 200137163, 205236199, 400274326, 410472398, 800548652, 820944796, 1400960141, 2801920282, 4603154749, 5603840564, 9206309498, 18412618996, 32222083243, 64444166486, 128888332972]

約数ペア:

[(1, 128888332972), (2, 64444166486), (4, 32222083243), (7, 18412618996), (14, 9206309498), (23, 5603840564), (28, 4603154749), (46, 2801920282), (92, 1400960141), (157, 820944796), (161, 800548652), (314, 410472398), (322, 400274326), (628, 205236199), (644, 200137163), (1099, 117277828), (2198, 58638914), (3611, 35693252), (4396, 29319457), (7222, 17846626), (14444, 8923313), (25277, 5099036), (50554, 2549518), (101108, 1274759)]