131195968

素因数分解:

$2^6\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{743}}^1$

素因数の和:875

約数の個数: 56

約数和(自身を含む): 272125440

約数和(自身を除く): 140929472

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 89, 124, 178, 248, 356, 496, 712, 743, 992, 1424, 1486, 1984, 2759, 2848, 2972, 5518, 5696, 5944, 11036, 11888, 22072, 23033, 23776, 44144, 46066, 47552, 66127, 88288, 92132, 132254, 176576, 184264, 264508, 368528, 529016, 737056, 1058032, 1474112, 2049937, 2116064, 4099874, 4232128, 8199748, 16399496, 32798992, 65597984, 131195968]

約数ペア:

[(1, 131195968), (2, 65597984), (4, 32798992), (8, 16399496), (16, 8199748), (31, 4232128), (32, 4099874), (62, 2116064), (64, 2049937), (89, 1474112), (124, 1058032), (178, 737056), (248, 529016), (356, 368528), (496, 264508), (712, 184264), (743, 176576), (992, 132254), (1424, 92132), (1486, 88288), (1984, 66127), (2759, 47552), (2848, 46066), (2972, 44144), (5518, 23776), (5696, 23033), (5944, 22072), (11036, 11888)]