261097408

素因数分解:

$2^6\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{607}}^1$

素因数の和:690

約数の個数: 112

約数和(自身を含む): 622669824

約数和(自身を除く): 361572416

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 32, 44, 47, 52, 64, 88, 94, 104, 143, 176, 188, 208, 286, 352, 376, 416, 517, 572, 607, 611, 704, 752, 832, 1034, 1144, 1214, 1222, 1504, 2068, 2288, 2428, 2444, 3008, 4136, 4576, 4856, 4888, 6677, 6721, 7891, 8272, 9152, 9712, 9776, 13354, 13442, 15782, 16544, 19424, 19552, 26708, 26884, 28529, 31564, 33088, 38848, 39104, 53416, 53768, 57058, 63128, 86801, 106832, 107536, 114116, 126256, 173602, 213664, 215072, 228232, 252512, 313819, 347204, 370877, 427328, 430144, 456464, 505024, 627638, 694408, 741754, 912928, 1255276, 1388816, 1483508, 1825856, 2510552, 2777632, 2967016, 4079647, 5021104, 5555264, 5934032, 8159294, 10042208, 11868064, 16318588, 20084416, 23736128, 32637176, 65274352, 130548704, 261097408]

約数ペア:

[(1, 261097408), (2, 130548704), (4, 65274352), (8, 32637176), (11, 23736128), (13, 20084416), (16, 16318588), (22, 11868064), (26, 10042208), (32, 8159294), (44, 5934032), (47, 5555264), (52, 5021104), (64, 4079647), (88, 2967016), (94, 2777632), (104, 2510552), (143, 1825856), (176, 1483508), (188, 1388816), (208, 1255276), (286, 912928), (352, 741754), (376, 694408), (416, 627638), (517, 505024), (572, 456464), (607, 430144), (611, 427328), (704, 370877), (752, 347204), (832, 313819), (1034, 252512), (1144, 228232), (1214, 215072), (1222, 213664), (1504, 173602), (2068, 126256), (2288, 114116), (2428, 107536), (2444, 106832), (3008, 86801), (4136, 63128), (4576, 57058), (4856, 53768), (4888, 53416), (6677, 39104), (6721, 38848), (7891, 33088), (8272, 31564), (9152, 28529), (9712, 26884), (9776, 26708), (13354, 19552), (13442, 19424), (15782, 16544)]