256143602

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{347}}^1$

素因数の和:491

約数の個数: 64

約数和(自身を含む): 473558400

約数和(自身を除く): 217414798

約数列:

[1, 2, 11, 13, 22, 26, 29, 58, 89, 143, 178, 286, 319, 347, 377, 638, 694, 754, 979, 1157, 1958, 2314, 2581, 3817, 4147, 4511, 5162, 7634, 8294, 9022, 10063, 12727, 20126, 25454, 28391, 30883, 33553, 49621, 56782, 61766, 67106, 99242, 110693, 130819, 221386, 261638, 339713, 369083, 401479, 679426, 738166, 802958, 895607, 1439009, 1791214, 2878018, 4416269, 8832538, 9851677, 11642891, 19703354, 23285782, 128071801, 256143602]

約数ペア:

[(1, 256143602), (2, 128071801), (11, 23285782), (13, 19703354), (22, 11642891), (26, 9851677), (29, 8832538), (58, 4416269), (89, 2878018), (143, 1791214), (178, 1439009), (286, 895607), (319, 802958), (347, 738166), (377, 679426), (638, 401479), (694, 369083), (754, 339713), (979, 261638), (1157, 221386), (1958, 130819), (2314, 110693), (2581, 99242), (3817, 67106), (4147, 61766), (4511, 56782), (5162, 49621), (7634, 33553), (8294, 30883), (9022, 28391), (10063, 25454), (12727, 20126)]