28418442

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{229}}^1$

素因数の和:327

約数の個数: 64

約数和(自身を含む): 64606080

約数和(自身を除く): 36187638

約数列:

[1, 2, 3, 6, 13, 26, 37, 39, 43, 74, 78, 86, 111, 129, 222, 229, 258, 458, 481, 559, 687, 962, 1118, 1374, 1443, 1591, 1677, 2886, 2977, 3182, 3354, 4773, 5954, 8473, 8931, 9546, 9847, 16946, 17862, 19694, 20683, 25419, 29541, 41366, 50838, 59082, 62049, 110149, 124098, 128011, 220298, 256022, 330447, 364339, 384033, 660894, 728678, 768066, 1093017, 2186034, 4736407, 9472814, 14209221, 28418442]

約数ペア:

[(1, 28418442), (2, 14209221), (3, 9472814), (6, 4736407), (13, 2186034), (26, 1093017), (37, 768066), (39, 728678), (43, 660894), (74, 384033), (78, 364339), (86, 330447), (111, 256022), (129, 220298), (222, 128011), (229, 124098), (258, 110149), (458, 62049), (481, 59082), (559, 50838), (687, 41366), (962, 29541), (1118, 25419), (1374, 20683), (1443, 19694), (1591, 17862), (1677, 16946), (2886, 9847), (2977, 9546), (3182, 8931), (3354, 8473), (4773, 5954)]