257088636

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{461}}^1\times {\mathrm{2213}}^1$

素因数の和:2691

約数の個数: 72

約数和(自身を含む): 744647904

約数和(自身を除く): 487559268

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 461, 922, 1383, 1844, 2213, 2766, 3227, 4149, 4426, 5532, 6454, 6639, 8298, 8852, 9681, 12908, 13278, 15491, 16596, 19362, 19917, 26556, 29043, 30982, 38724, 39834, 46473, 58086, 61964, 79668, 92946, 116172, 139419, 185892, 278838, 557676, 1020193, 2040386, 3060579, 4080772, 6121158, 7141351, 9181737, 12242316, 14282702, 18363474, 21424053, 28565404, 36726948, 42848106, 64272159, 85696212, 128544318, 257088636]

約数ペア:

[(1, 257088636), (2, 128544318), (3, 85696212), (4, 64272159), (6, 42848106), (7, 36726948), (9, 28565404), (12, 21424053), (14, 18363474), (18, 14282702), (21, 12242316), (28, 9181737), (36, 7141351), (42, 6121158), (63, 4080772), (84, 3060579), (126, 2040386), (252, 1020193), (461, 557676), (922, 278838), (1383, 185892), (1844, 139419), (2213, 116172), (2766, 92946), (3227, 79668), (4149, 61964), (4426, 58086), (5532, 46473), (6454, 39834), (6639, 38724), (8298, 30982), (8852, 29043), (9681, 26556), (12908, 19917), (13278, 19362), (15491, 16596)]