311122372

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{43}}^1\times {\mathrm{569}}^1$

素因数の和:661

約数の個数: 72

約数和(自身を含む): 646763040

約数和(自身を除く): 335640668

約数列:

[1, 2, 4, 11, 17, 22, 34, 43, 44, 68, 86, 172, 187, 289, 374, 473, 569, 578, 731, 748, 946, 1138, 1156, 1462, 1892, 2276, 2924, 3179, 6259, 6358, 8041, 9673, 12427, 12518, 12716, 16082, 19346, 24467, 24854, 25036, 32164, 38692, 48934, 49708, 97868, 106403, 136697, 164441, 212806, 269137, 273394, 328882, 415939, 425612, 538274, 546788, 657764, 831878, 1076548, 1663756, 1808851, 3617702, 4575329, 7070963, 7235404, 9150658, 14141926, 18301316, 28283852, 77780593, 155561186, 311122372]

約数ペア:

[(1, 311122372), (2, 155561186), (4, 77780593), (11, 28283852), (17, 18301316), (22, 14141926), (34, 9150658), (43, 7235404), (44, 7070963), (68, 4575329), (86, 3617702), (172, 1808851), (187, 1663756), (289, 1076548), (374, 831878), (473, 657764), (569, 546788), (578, 538274), (731, 425612), (748, 415939), (946, 328882), (1138, 273394), (1156, 269137), (1462, 212806), (1892, 164441), (2276, 136697), (2924, 106403), (3179, 97868), (6259, 49708), (6358, 48934), (8041, 38692), (9673, 32164), (12427, 25036), (12518, 24854), (12716, 24467), (16082, 19346)]