217878914

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{127}}^1\times {\mathrm{2689}}^1$

素因数の和:2858

約数の個数: 32

約数和(自身を含む): 371865600

約数和(自身を除く): 153986686

約数列:

[1, 2, 11, 22, 29, 58, 127, 254, 319, 638, 1397, 2689, 2794, 3683, 5378, 7366, 29579, 40513, 59158, 77981, 81026, 155962, 341503, 683006, 857791, 1715582, 3756533, 7513066, 9903587, 19807174, 108939457, 217878914]

約数ペア:

[(1, 217878914), (2, 108939457), (11, 19807174), (22, 9903587), (29, 7513066), (58, 3756533), (127, 1715582), (254, 857791), (319, 683006), (638, 341503), (1397, 155962), (2689, 81026), (2794, 77981), (3683, 59158), (5378, 40513), (7366, 29579)]