61980028

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1$

素因数の和:163

約数の個数: 96

約数和(自身を含む): 134120448

約数和(自身を除く): 72140420

約数列:

[1, 2, 4, 11, 17, 22, 34, 41, 43, 44, 47, 68, 82, 86, 94, 164, 172, 187, 188, 374, 451, 473, 517, 697, 731, 748, 799, 902, 946, 1034, 1394, 1462, 1598, 1763, 1804, 1892, 1927, 2021, 2068, 2788, 2924, 3196, 3526, 3854, 4042, 7052, 7667, 7708, 8041, 8084, 8789, 15334, 16082, 17578, 19393, 21197, 22231, 29971, 30668, 32164, 32759, 34357, 35156, 38786, 42394, 44462, 59942, 65518, 68714, 77572, 82861, 84788, 88924, 119884, 131036, 137428, 165722, 329681, 331444, 360349, 377927, 659362, 720698, 755854, 911471, 1318724, 1408637, 1441396, 1511708, 1822942, 2817274, 3645884, 5634548, 15495007, 30990014, 61980028]

約数ペア:

[(1, 61980028), (2, 30990014), (4, 15495007), (11, 5634548), (17, 3645884), (22, 2817274), (34, 1822942), (41, 1511708), (43, 1441396), (44, 1408637), (47, 1318724), (68, 911471), (82, 755854), (86, 720698), (94, 659362), (164, 377927), (172, 360349), (187, 331444), (188, 329681), (374, 165722), (451, 137428), (473, 131036), (517, 119884), (697, 88924), (731, 84788), (748, 82861), (799, 77572), (902, 68714), (946, 65518), (1034, 59942), (1394, 44462), (1462, 42394), (1598, 38786), (1763, 35156), (1804, 34357), (1892, 32759), (1927, 32164), (2021, 30668), (2068, 29971), (2788, 22231), (2924, 21197), (3196, 19393), (3526, 17578), (3854, 16082), (4042, 15334), (7052, 8789), (7667, 8084), (7708, 8041)]