1721771256

素因数分解:

$2^3\times 3^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{20101}}^1$

素因数の和:20236

約数の個数: 64

約数和(自身を含む): 4457819520

約数和(自身を除く): 2736048264

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 43, 83, 86, 129, 166, 172, 249, 258, 332, 344, 498, 516, 664, 996, 1032, 1992, 3569, 7138, 10707, 14276, 20101, 21414, 28552, 40202, 42828, 60303, 80404, 85656, 120606, 160808, 241212, 482424, 864343, 1668383, 1728686, 2593029, 3336766, 3457372, 5005149, 5186058, 6673532, 6914744, 10010298, 10372116, 13347064, 20020596, 20744232, 40041192, 71740469, 143480938, 215221407, 286961876, 430442814, 573923752, 860885628, 1721771256]

約数ペア:

[(1, 1721771256), (2, 860885628), (3, 573923752), (4, 430442814), (6, 286961876), (8, 215221407), (12, 143480938), (24, 71740469), (43, 40041192), (83, 20744232), (86, 20020596), (129, 13347064), (166, 10372116), (172, 10010298), (249, 6914744), (258, 6673532), (332, 5186058), (344, 5005149), (498, 3457372), (516, 3336766), (664, 2593029), (996, 1728686), (1032, 1668383), (1992, 864343), (3569, 482424), (7138, 241212), (10707, 160808), (14276, 120606), (20101, 85656), (21414, 80404), (28552, 60303), (40202, 42828)]