61481264

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{331}}^1$

素因数の和:418

約数の個数: 80

約数和(自身を含む): 138324480

約数和(自身を除く): 76843216

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 38, 47, 52, 76, 94, 104, 152, 188, 208, 247, 304, 331, 376, 494, 611, 662, 752, 893, 988, 1222, 1324, 1786, 1976, 2444, 2648, 3572, 3952, 4303, 4888, 5296, 6289, 7144, 8606, 9776, 11609, 12578, 14288, 15557, 17212, 23218, 25156, 31114, 34424, 46436, 50312, 62228, 68848, 81757, 92872, 100624, 124456, 163514, 185744, 202241, 248912, 295583, 327028, 404482, 591166, 654056, 808964, 1182332, 1308112, 1617928, 2364664, 3235856, 3842579, 4729328, 7685158, 15370316, 30740632, 61481264]

約数ペア:

[(1, 61481264), (2, 30740632), (4, 15370316), (8, 7685158), (13, 4729328), (16, 3842579), (19, 3235856), (26, 2364664), (38, 1617928), (47, 1308112), (52, 1182332), (76, 808964), (94, 654056), (104, 591166), (152, 404482), (188, 327028), (208, 295583), (247, 248912), (304, 202241), (331, 185744), (376, 163514), (494, 124456), (611, 100624), (662, 92872), (752, 81757), (893, 68848), (988, 62228), (1222, 50312), (1324, 46436), (1786, 34424), (1976, 31114), (2444, 25156), (2648, 23218), (3572, 17212), (3952, 15557), (4303, 14288), (4888, 12578), (5296, 11609), (6289, 9776), (7144, 8606)]