1291854312

素因数分解:

$2^3\times 3^3\times 7^1\times {\mathrm{409}}^1\times {\mathrm{2089}}^1$

素因数の和:2520

約数の個数: 128

約数和(自身を含む): 4113120000

約数和(自身を除く): 2821265688

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 27, 28, 36, 42, 54, 56, 63, 72, 84, 108, 126, 168, 189, 216, 252, 378, 409, 504, 756, 818, 1227, 1512, 1636, 2089, 2454, 2863, 3272, 3681, 4178, 4908, 5726, 6267, 7362, 8356, 8589, 9816, 11043, 11452, 12534, 14623, 14724, 16712, 17178, 18801, 22086, 22904, 25068, 25767, 29246, 29448, 34356, 37602, 43869, 44172, 50136, 51534, 56403, 58492, 68712, 75204, 77301, 87738, 88344, 103068, 112806, 116984, 131607, 150408, 154602, 175476, 206136, 225612, 263214, 309204, 350952, 394821, 451224, 526428, 618408, 789642, 854401, 1052856, 1579284, 1708802, 2563203, 3158568, 3417604, 5126406, 5980807, 6835208, 7689609, 10252812, 11961614, 15379218, 17942421, 20505624, 23068827, 23923228, 30758436, 35884842, 46137654, 47846456, 53827263, 61516872, 71769684, 92275308, 107654526, 143539368, 161481789, 184550616, 215309052, 322963578, 430618104, 645927156, 1291854312]

約数ペア:

[(1, 1291854312), (2, 645927156), (3, 430618104), (4, 322963578), (6, 215309052), (7, 184550616), (8, 161481789), (9, 143539368), (12, 107654526), (14, 92275308), (18, 71769684), (21, 61516872), (24, 53827263), (27, 47846456), (28, 46137654), (36, 35884842), (42, 30758436), (54, 23923228), (56, 23068827), (63, 20505624), (72, 17942421), (84, 15379218), (108, 11961614), (126, 10252812), (168, 7689609), (189, 6835208), (216, 5980807), (252, 5126406), (378, 3417604), (409, 3158568), (504, 2563203), (756, 1708802), (818, 1579284), (1227, 1052856), (1512, 854401), (1636, 789642), (2089, 618408), (2454, 526428), (2863, 451224), (3272, 394821), (3681, 350952), (4178, 309204), (4908, 263214), (5726, 225612), (6267, 206136), (7362, 175476), (8356, 154602), (8589, 150408), (9816, 131607), (11043, 116984), (11452, 112806), (12534, 103068), (14623, 88344), (14724, 87738), (16712, 77301), (17178, 75204), (18801, 68712), (22086, 58492), (22904, 56403), (25068, 51534), (25767, 50136), (29246, 44172), (29448, 43869), (34356, 37602)]