664654874

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1\times {\mathrm{313}}^1$

素因数の和:471

約数の個数: 64

約数和(自身を含む): 1162232064

約数和(自身を除く): 497577190

約数列:

[1, 2, 13, 23, 26, 46, 53, 67, 106, 134, 299, 313, 598, 626, 689, 871, 1219, 1378, 1541, 1742, 2438, 3082, 3551, 4069, 7102, 7199, 8138, 14398, 15847, 16589, 20033, 20971, 31694, 33178, 40066, 41942, 46163, 81673, 92326, 93587, 163346, 187174, 215657, 272623, 381547, 431314, 482333, 545246, 763094, 964666, 1061749, 1111463, 2123498, 2222926, 4960111, 6270329, 9920222, 12540658, 14449019, 25563649, 28898038, 51127298, 332327437, 664654874]

約数ペア:

[(1, 664654874), (2, 332327437), (13, 51127298), (23, 28898038), (26, 25563649), (46, 14449019), (53, 12540658), (67, 9920222), (106, 6270329), (134, 4960111), (299, 2222926), (313, 2123498), (598, 1111463), (626, 1061749), (689, 964666), (871, 763094), (1219, 545246), (1378, 482333), (1541, 431314), (1742, 381547), (2438, 272623), (3082, 215657), (3551, 187174), (4069, 163346), (7102, 93587), (7199, 92326), (8138, 81673), (14398, 46163), (15847, 41942), (16589, 40066), (20033, 33178), (20971, 31694)]