28054754

素因数分解:

$2^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{61}}^1$

素因数の和:128

約数の個数: 72

約数和(自身を含む): 56551068

約数和(自身を除く): 28496314

約数列:

[1, 2, 7, 13, 14, 19, 26, 38, 49, 61, 91, 98, 122, 133, 182, 247, 266, 361, 427, 494, 637, 722, 793, 854, 931, 1159, 1274, 1586, 1729, 1862, 2318, 2527, 2989, 3458, 4693, 5054, 5551, 5978, 8113, 9386, 11102, 12103, 15067, 16226, 17689, 22021, 24206, 30134, 32851, 35378, 38857, 44042, 56791, 65702, 77714, 105469, 113582, 154147, 210938, 229957, 286273, 308294, 459914, 572546, 738283, 1079029, 1476566, 2003911, 2158058, 4007822, 14027377, 28054754]

約数ペア:

[(1, 28054754), (2, 14027377), (7, 4007822), (13, 2158058), (14, 2003911), (19, 1476566), (26, 1079029), (38, 738283), (49, 572546), (61, 459914), (91, 308294), (98, 286273), (122, 229957), (133, 210938), (182, 154147), (247, 113582), (266, 105469), (361, 77714), (427, 65702), (494, 56791), (637, 44042), (722, 38857), (793, 35378), (854, 32851), (931, 30134), (1159, 24206), (1274, 22021), (1586, 17689), (1729, 16226), (1862, 15067), (2318, 12103), (2527, 11102), (2989, 9386), (3458, 8113), (4693, 5978), (5054, 5551)]