15939896

素因数分解:

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

素因数の和:221

約数の個数: 64

約数和(自身を含む): 36024000

約数和(自身を除く): 20084104

約数列:

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

約数ペア:

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