139171256

素因数分解:

$2^3\times 7^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1\times {\mathrm{311}}^1$

素因数の和:516

約数の個数: 64

約数和(自身を含む): 306408960

約数和(自身を除く): 167237704

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 61, 122, 131, 244, 262, 311, 427, 488, 524, 622, 854, 917, 1048, 1244, 1708, 1834, 2177, 2488, 3416, 3668, 4354, 7336, 7991, 8708, 15982, 17416, 18971, 31964, 37942, 40741, 55937, 63928, 75884, 81482, 111874, 132797, 151768, 162964, 223748, 265594, 285187, 325928, 447496, 531188, 570374, 1062376, 1140748, 2281496, 2485201, 4970402, 9940804, 17396407, 19881608, 34792814, 69585628, 139171256]

約数ペア:

[(1, 139171256), (2, 69585628), (4, 34792814), (7, 19881608), (8, 17396407), (14, 9940804), (28, 4970402), (56, 2485201), (61, 2281496), (122, 1140748), (131, 1062376), (244, 570374), (262, 531188), (311, 447496), (427, 325928), (488, 285187), (524, 265594), (622, 223748), (854, 162964), (917, 151768), (1048, 132797), (1244, 111874), (1708, 81482), (1834, 75884), (2177, 63928), (2488, 55937), (3416, 40741), (3668, 37942), (4354, 31964), (7336, 18971), (7991, 17416), (8708, 15982)]