139995268

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{3331}}^1$

素因数の和:3440

約数の個数: 48

約数和(自身を含む): 298547200

約数和(自身を除く): 158551932

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 79, 133, 158, 266, 316, 532, 553, 1106, 1501, 2212, 3002, 3331, 6004, 6662, 10507, 13324, 21014, 23317, 42028, 46634, 63289, 93268, 126578, 253156, 263149, 443023, 526298, 886046, 1052596, 1772092, 1842043, 3684086, 4999831, 7368172, 9999662, 19999324, 34998817, 69997634, 139995268]

約数ペア:

[(1, 139995268), (2, 69997634), (4, 34998817), (7, 19999324), (14, 9999662), (19, 7368172), (28, 4999831), (38, 3684086), (76, 1842043), (79, 1772092), (133, 1052596), (158, 886046), (266, 526298), (316, 443023), (532, 263149), (553, 253156), (1106, 126578), (1501, 93268), (2212, 63289), (3002, 46634), (3331, 42028), (6004, 23317), (6662, 21014), (10507, 13324)]