128218468

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{5381}}^1$

素因数の和:5452

約数の個数: 48

約数和(自身を含む): 274869504

約数和(自身を除く): 146651036

約数列:

[1, 2, 4, 7, 14, 23, 28, 37, 46, 74, 92, 148, 161, 259, 322, 518, 644, 851, 1036, 1702, 3404, 5381, 5957, 10762, 11914, 21524, 23828, 37667, 75334, 123763, 150668, 199097, 247526, 398194, 495052, 796388, 866341, 1393679, 1732682, 2787358, 3465364, 4579231, 5574716, 9158462, 18316924, 32054617, 64109234, 128218468]

約数ペア:

[(1, 128218468), (2, 64109234), (4, 32054617), (7, 18316924), (14, 9158462), (23, 5574716), (28, 4579231), (37, 3465364), (46, 2787358), (74, 1732682), (92, 1393679), (148, 866341), (161, 796388), (259, 495052), (322, 398194), (518, 247526), (644, 199097), (851, 150668), (1036, 123763), (1702, 75334), (3404, 37667), (5381, 23828), (5957, 21524), (10762, 11914)]