28285072

素因数分解:

$2^4\times {\mathrm{19}}^2\times {\mathrm{59}}^1\times {\mathrm{83}}^1$

素因数の和:188

約数の個数: 60

約数和(自身を含む): 59527440

約数和(自身を除く): 31242368

約数列:

[1, 2, 4, 8, 16, 19, 38, 59, 76, 83, 118, 152, 166, 236, 304, 332, 361, 472, 664, 722, 944, 1121, 1328, 1444, 1577, 2242, 2888, 3154, 4484, 4897, 5776, 6308, 8968, 9794, 12616, 17936, 19588, 21299, 25232, 29963, 39176, 42598, 59926, 78352, 85196, 93043, 119852, 170392, 186086, 239704, 340784, 372172, 479408, 744344, 1488688, 1767817, 3535634, 7071268, 14142536, 28285072]

約数ペア:

[(1, 28285072), (2, 14142536), (4, 7071268), (8, 3535634), (16, 1767817), (19, 1488688), (38, 744344), (59, 479408), (76, 372172), (83, 340784), (118, 239704), (152, 186086), (166, 170392), (236, 119852), (304, 93043), (332, 85196), (361, 78352), (472, 59926), (664, 42598), (722, 39176), (944, 29963), (1121, 25232), (1328, 21299), (1444, 19588), (1577, 17936), (2242, 12616), (2888, 9794), (3154, 8968), (4484, 6308), (4897, 5776)]