217132075

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{229}}^1$

素因数の和:376

約数の個数: 48

約数和(自身を含む): 301855680

約数和(自身を除く): 84723605

約数列:

[1, 5, 17, 23, 25, 85, 97, 115, 229, 391, 425, 485, 575, 1145, 1649, 1955, 2231, 2425, 3893, 5267, 5725, 8245, 9775, 11155, 19465, 22213, 26335, 37927, 41225, 55775, 89539, 97325, 111065, 131675, 189635, 377621, 447695, 510899, 555325, 948175, 1888105, 2238475, 2554495, 8685283, 9440525, 12772475, 43426415, 217132075]

約数ペア:

[(1, 217132075), (5, 43426415), (17, 12772475), (23, 9440525), (25, 8685283), (85, 2554495), (97, 2238475), (115, 1888105), (229, 948175), (391, 555325), (425, 510899), (485, 447695), (575, 377621), (1145, 189635), (1649, 131675), (1955, 111065), (2231, 97325), (2425, 89539), (3893, 55775), (5267, 41225), (5725, 37927), (8245, 26335), (9775, 22213), (11155, 19465)]