17939103728

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{331}}^1\times {\mathrm{37223}}^1$

素因数の和:37582

約数の個数: 80

約数和(自身を含む): 42908253696

約数和(自身を除く): 24969149968

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 331, 364, 662, 728, 1324, 1456, 2317, 2648, 4303, 4634, 5296, 8606, 9268, 17212, 18536, 30121, 34424, 37072, 37223, 60242, 68848, 74446, 120484, 148892, 240968, 260561, 297784, 481936, 483899, 521122, 595568, 967798, 1042244, 1935596, 2084488, 3387293, 3871192, 4168976, 6774586, 7742384, 12320813, 13549172, 24641626, 27098344, 49283252, 54196688, 86245691, 98566504, 160170569, 172491382, 197133008, 320341138, 344982764, 640682276, 689965528, 1121193983, 1281364552, 1379931056, 2242387966, 2562729104, 4484775932, 8969551864, 17939103728]

約数ペア:

[(1, 17939103728), (2, 8969551864), (4, 4484775932), (7, 2562729104), (8, 2242387966), (13, 1379931056), (14, 1281364552), (16, 1121193983), (26, 689965528), (28, 640682276), (52, 344982764), (56, 320341138), (91, 197133008), (104, 172491382), (112, 160170569), (182, 98566504), (208, 86245691), (331, 54196688), (364, 49283252), (662, 27098344), (728, 24641626), (1324, 13549172), (1456, 12320813), (2317, 7742384), (2648, 6774586), (4303, 4168976), (4634, 3871192), (5296, 3387293), (8606, 2084488), (9268, 1935596), (17212, 1042244), (18536, 967798), (30121, 595568), (34424, 521122), (37072, 483899), (37223, 481936), (60242, 297784), (68848, 260561), (74446, 240968), (120484, 148892)]