217897736

素因数分解:

$2^3\times 7^1\times {\mathrm{37}}^1\times {\mathrm{103}}^1\times {\mathrm{1021}}^1$

素因数の和:1174

約数の個数: 64

約数和(自身を含む): 484673280

約数和(自身を除く): 266775544

約数列:

[1, 2, 4, 7, 8, 14, 28, 37, 56, 74, 103, 148, 206, 259, 296, 412, 518, 721, 824, 1021, 1036, 1442, 2042, 2072, 2884, 3811, 4084, 5768, 7147, 7622, 8168, 14294, 15244, 26677, 28588, 30488, 37777, 53354, 57176, 75554, 105163, 106708, 151108, 210326, 213416, 264439, 302216, 420652, 528878, 736141, 841304, 1057756, 1472282, 2115512, 2944564, 3891031, 5889128, 7782062, 15564124, 27237217, 31128248, 54474434, 108948868, 217897736]

約数ペア:

[(1, 217897736), (2, 108948868), (4, 54474434), (7, 31128248), (8, 27237217), (14, 15564124), (28, 7782062), (37, 5889128), (56, 3891031), (74, 2944564), (103, 2115512), (148, 1472282), (206, 1057756), (259, 841304), (296, 736141), (412, 528878), (518, 420652), (721, 302216), (824, 264439), (1021, 213416), (1036, 210326), (1442, 151108), (2042, 106708), (2072, 105163), (2884, 75554), (3811, 57176), (4084, 53354), (5768, 37777), (7147, 30488), (7622, 28588), (8168, 26677), (14294, 15244)]