31879792

素因数分解:

$2^4\times 7^3\times {\mathrm{37}}^1\times {\mathrm{157}}^1$

素因数の和:223

約数の個数: 80

約数和(自身を含む): 74449600

約数和(自身を除く): 42569808

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 37, 49, 56, 74, 98, 112, 148, 157, 196, 259, 296, 314, 343, 392, 518, 592, 628, 686, 784, 1036, 1099, 1256, 1372, 1813, 2072, 2198, 2512, 2744, 3626, 4144, 4396, 5488, 5809, 7252, 7693, 8792, 11618, 12691, 14504, 15386, 17584, 23236, 25382, 29008, 30772, 40663, 46472, 50764, 53851, 61544, 81326, 92944, 101528, 107702, 123088, 162652, 203056, 215404, 284641, 325304, 430808, 569282, 650608, 861616, 1138564, 1992487, 2277128, 3984974, 4554256, 7969948, 15939896, 31879792]

約数ペア:

[(1, 31879792), (2, 15939896), (4, 7969948), (7, 4554256), (8, 3984974), (14, 2277128), (16, 1992487), (28, 1138564), (37, 861616), (49, 650608), (56, 569282), (74, 430808), (98, 325304), (112, 284641), (148, 215404), (157, 203056), (196, 162652), (259, 123088), (296, 107702), (314, 101528), (343, 92944), (392, 81326), (518, 61544), (592, 53851), (628, 50764), (686, 46472), (784, 40663), (1036, 30772), (1099, 29008), (1256, 25382), (1372, 23236), (1813, 17584), (2072, 15386), (2198, 14504), (2512, 12691), (2744, 11618), (3626, 8792), (4144, 7693), (4396, 7252), (5488, 5809)]