221003744

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{27961}}^1$

素因数の和:28003

約数の個数: 48

約数和(自身を含む): 493249680

約数和(自身を除く): 272245936

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 32, 38, 52, 76, 104, 152, 208, 247, 304, 416, 494, 608, 988, 1976, 3952, 7904, 27961, 55922, 111844, 223688, 363493, 447376, 531259, 726986, 894752, 1062518, 1453972, 2125036, 2907944, 4250072, 5815888, 6906367, 8500144, 11631776, 13812734, 17000288, 27625468, 55250936, 110501872, 221003744]

約数ペア:

[(1, 221003744), (2, 110501872), (4, 55250936), (8, 27625468), (13, 17000288), (16, 13812734), (19, 11631776), (26, 8500144), (32, 6906367), (38, 5815888), (52, 4250072), (76, 2907944), (104, 2125036), (152, 1453972), (208, 1062518), (247, 894752), (304, 726986), (416, 531259), (494, 447376), (608, 363493), (988, 223688), (1976, 111844), (3952, 55922), (7904, 27961)]