28874356

素因数分解:

$2^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{593}}^1$

素因数の和:688

約数の個数: 48

約数和(自身を含む): 60673536

約数和(自身を除く): 31799180

約数列:

[1, 2, 4, 7, 14, 28, 37, 47, 74, 94, 148, 188, 259, 329, 518, 593, 658, 1036, 1186, 1316, 1739, 2372, 3478, 4151, 6956, 8302, 12173, 16604, 21941, 24346, 27871, 43882, 48692, 55742, 87764, 111484, 153587, 195097, 307174, 390194, 614348, 780388, 1031227, 2062454, 4124908, 7218589, 14437178, 28874356]

約数ペア:

[(1, 28874356), (2, 14437178), (4, 7218589), (7, 4124908), (14, 2062454), (28, 1031227), (37, 780388), (47, 614348), (74, 390194), (94, 307174), (148, 195097), (188, 153587), (259, 111484), (329, 87764), (518, 55742), (593, 48692), (658, 43882), (1036, 27871), (1186, 24346), (1316, 21941), (1739, 16604), (2372, 12173), (3478, 8302), (4151, 6956)]