81385512

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{13729}}^1$

素因数の和:13770

約数の個数: 64

約数和(自身を含む): 230664000

約数和(自身を除く): 149278488

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 19, 24, 26, 38, 39, 52, 57, 76, 78, 104, 114, 152, 156, 228, 247, 312, 456, 494, 741, 988, 1482, 1976, 2964, 5928, 13729, 27458, 41187, 54916, 82374, 109832, 164748, 178477, 260851, 329496, 356954, 521702, 535431, 713908, 782553, 1043404, 1070862, 1427816, 1565106, 2086808, 2141724, 3130212, 3391063, 4283448, 6260424, 6782126, 10173189, 13564252, 20346378, 27128504, 40692756, 81385512]

約数ペア:

[(1, 81385512), (2, 40692756), (3, 27128504), (4, 20346378), (6, 13564252), (8, 10173189), (12, 6782126), (13, 6260424), (19, 4283448), (24, 3391063), (26, 3130212), (38, 2141724), (39, 2086808), (52, 1565106), (57, 1427816), (76, 1070862), (78, 1043404), (104, 782553), (114, 713908), (152, 535431), (156, 521702), (228, 356954), (247, 329496), (312, 260851), (456, 178477), (494, 164748), (741, 109832), (988, 82374), (1482, 54916), (1976, 41187), (2964, 27458), (5928, 13729)]