398435814

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{1913}}^1$

素因数の和:1979

約数の個数: 128

約数和(自身を含む): 1102464000

約数和(自身を除く): 704028186

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 19, 21, 27, 29, 38, 42, 54, 57, 58, 63, 87, 114, 126, 133, 171, 174, 189, 203, 261, 266, 342, 378, 399, 406, 513, 522, 551, 609, 783, 798, 1026, 1102, 1197, 1218, 1566, 1653, 1827, 1913, 2394, 3306, 3591, 3654, 3826, 3857, 4959, 5481, 5739, 7182, 7714, 9918, 10962, 11478, 11571, 13391, 14877, 17217, 23142, 26782, 29754, 34434, 34713, 36347, 40173, 51651, 55477, 69426, 72694, 80346, 103302, 104139, 109041, 110954, 120519, 166431, 208278, 218082, 241038, 254429, 327123, 332862, 361557, 388339, 499293, 508858, 654246, 723114, 763287, 776678, 981369, 998586, 1054063, 1165017, 1497879, 1526574, 1962738, 2108126, 2289861, 2330034, 2995758, 3162189, 3495051, 4579722, 6324378, 6869583, 6990102, 7378441, 9486567, 10485153, 13739166, 14756882, 18973134, 20970306, 22135323, 28459701, 44270646, 56919402, 66405969, 132811938, 199217907, 398435814]

約数ペア:

[(1, 398435814), (2, 199217907), (3, 132811938), (6, 66405969), (7, 56919402), (9, 44270646), (14, 28459701), (18, 22135323), (19, 20970306), (21, 18973134), (27, 14756882), (29, 13739166), (38, 10485153), (42, 9486567), (54, 7378441), (57, 6990102), (58, 6869583), (63, 6324378), (87, 4579722), (114, 3495051), (126, 3162189), (133, 2995758), (171, 2330034), (174, 2289861), (189, 2108126), (203, 1962738), (261, 1526574), (266, 1497879), (342, 1165017), (378, 1054063), (399, 998586), (406, 981369), (513, 776678), (522, 763287), (551, 723114), (609, 654246), (783, 508858), (798, 499293), (1026, 388339), (1102, 361557), (1197, 332862), (1218, 327123), (1566, 254429), (1653, 241038), (1827, 218082), (1913, 208278), (2394, 166431), (3306, 120519), (3591, 110954), (3654, 109041), (3826, 104139), (3857, 103302), (4959, 80346), (5481, 72694), (5739, 69426), (7182, 55477), (7714, 51651), (9918, 40173), (10962, 36347), (11478, 34713), (11571, 34434), (13391, 29754), (14877, 26782), (17217, 23142)]