28457044

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{197}}^1$

素因数の和:293

約数の個数: 72

約数和(自身を含む): 64465632

約数和(自身を除く): 36008588

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 49, 67, 77, 98, 134, 154, 196, 197, 268, 308, 394, 469, 539, 737, 788, 938, 1078, 1379, 1474, 1876, 2156, 2167, 2758, 2948, 3283, 4334, 5159, 5516, 6566, 8668, 9653, 10318, 13132, 13199, 15169, 19306, 20636, 26398, 30338, 36113, 38612, 52796, 60676, 72226, 92393, 106183, 144452, 145189, 184786, 212366, 290378, 369572, 424732, 580756, 646751, 1016323, 1293502, 2032646, 2587004, 4065292, 7114261, 14228522, 28457044]

約数ペア:

[(1, 28457044), (2, 14228522), (4, 7114261), (7, 4065292), (11, 2587004), (14, 2032646), (22, 1293502), (28, 1016323), (44, 646751), (49, 580756), (67, 424732), (77, 369572), (98, 290378), (134, 212366), (154, 184786), (196, 145189), (197, 144452), (268, 106183), (308, 92393), (394, 72226), (469, 60676), (539, 52796), (737, 38612), (788, 36113), (938, 30338), (1078, 26398), (1379, 20636), (1474, 19306), (1876, 15169), (2156, 13199), (2167, 13132), (2758, 10318), (2948, 9653), (3283, 8668), (4334, 6566), (5159, 5516)]