16640556

素因数分解:

$2^2\times 3^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1\times {\mathrm{179}}^1$

素因数の和:374

約数の個数: 48

約数和(自身を含む): 39997440

約数和(自身を除く): 23356884

約数列:

[1, 2, 3, 4, 6, 12, 61, 122, 127, 179, 183, 244, 254, 358, 366, 381, 508, 537, 716, 732, 762, 1074, 1524, 2148, 7747, 10919, 15494, 21838, 22733, 23241, 30988, 32757, 43676, 45466, 46482, 65514, 68199, 90932, 92964, 131028, 136398, 272796, 1386713, 2773426, 4160139, 5546852, 8320278, 16640556]

約数ペア:

[(1, 16640556), (2, 8320278), (3, 5546852), (4, 4160139), (6, 2773426), (12, 1386713), (61, 272796), (122, 136398), (127, 131028), (179, 92964), (183, 90932), (244, 68199), (254, 65514), (358, 46482), (366, 45466), (381, 43676), (508, 32757), (537, 30988), (716, 23241), (732, 22733), (762, 21838), (1074, 15494), (1524, 10919), (2148, 7747)]