388620408

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{661}}^1$

素因数の和:829

約数の個数: 128

約数和(自身を含む): 1132496640

約数和(自身を除く): 743876232

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 17, 22, 24, 33, 34, 44, 51, 66, 68, 88, 102, 131, 132, 136, 187, 204, 262, 264, 374, 393, 408, 524, 561, 661, 748, 786, 1048, 1122, 1322, 1441, 1496, 1572, 1983, 2227, 2244, 2644, 2882, 3144, 3966, 4323, 4454, 4488, 5288, 5764, 6681, 7271, 7932, 8646, 8908, 11237, 11528, 13362, 14542, 15864, 17292, 17816, 21813, 22474, 24497, 26724, 29084, 33711, 34584, 43626, 44948, 48994, 53448, 58168, 67422, 73491, 86591, 87252, 89896, 97988, 123607, 134844, 146982, 173182, 174504, 195976, 247214, 259773, 269688, 293964, 346364, 370821, 494428, 519546, 587928, 692728, 741642, 952501, 988856, 1039092, 1472047, 1483284, 1905002, 2078184, 2857503, 2944094, 2966568, 3810004, 4416141, 5715006, 5888188, 7620008, 8832282, 11430012, 11776376, 16192517, 17664564, 22860024, 32385034, 35329128, 48577551, 64770068, 97155102, 129540136, 194310204, 388620408]

約数ペア:

[(1, 388620408), (2, 194310204), (3, 129540136), (4, 97155102), (6, 64770068), (8, 48577551), (11, 35329128), (12, 32385034), (17, 22860024), (22, 17664564), (24, 16192517), (33, 11776376), (34, 11430012), (44, 8832282), (51, 7620008), (66, 5888188), (68, 5715006), (88, 4416141), (102, 3810004), (131, 2966568), (132, 2944094), (136, 2857503), (187, 2078184), (204, 1905002), (262, 1483284), (264, 1472047), (374, 1039092), (393, 988856), (408, 952501), (524, 741642), (561, 692728), (661, 587928), (748, 519546), (786, 494428), (1048, 370821), (1122, 346364), (1322, 293964), (1441, 269688), (1496, 259773), (1572, 247214), (1983, 195976), (2227, 174504), (2244, 173182), (2644, 146982), (2882, 134844), (3144, 123607), (3966, 97988), (4323, 89896), (4454, 87252), (4488, 86591), (5288, 73491), (5764, 67422), (6681, 58168), (7271, 53448), (7932, 48994), (8646, 44948), (8908, 43626), (11237, 34584), (11528, 33711), (13362, 29084), (14542, 26724), (15864, 24497), (17292, 22474), (17816, 21813)]