664511536

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{257}}^1\times {\mathrm{401}}^1$

素因数の和:710

約数の個数: 80

約数和(自身を含む): 1440407808

約数和(自身を除く): 775896272

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 52, 62, 104, 124, 208, 248, 257, 401, 403, 496, 514, 802, 806, 1028, 1604, 1612, 2056, 3208, 3224, 3341, 4112, 5213, 6416, 6448, 6682, 7967, 10426, 12431, 13364, 15934, 20852, 24862, 26728, 31868, 41704, 49724, 53456, 63736, 83408, 99448, 103057, 103571, 127472, 161603, 198896, 206114, 207142, 323206, 412228, 414284, 646412, 824456, 828568, 1292824, 1339741, 1648912, 1657136, 2585648, 2679482, 3194767, 5358964, 6389534, 10717928, 12779068, 21435856, 25558136, 41531971, 51116272, 83063942, 166127884, 332255768, 664511536]

約数ペア:

[(1, 664511536), (2, 332255768), (4, 166127884), (8, 83063942), (13, 51116272), (16, 41531971), (26, 25558136), (31, 21435856), (52, 12779068), (62, 10717928), (104, 6389534), (124, 5358964), (208, 3194767), (248, 2679482), (257, 2585648), (401, 1657136), (403, 1648912), (496, 1339741), (514, 1292824), (802, 828568), (806, 824456), (1028, 646412), (1604, 414284), (1612, 412228), (2056, 323206), (3208, 207142), (3224, 206114), (3341, 198896), (4112, 161603), (5213, 127472), (6416, 103571), (6448, 103057), (6682, 99448), (7967, 83408), (10426, 63736), (12431, 53456), (13364, 49724), (15934, 41704), (20852, 31868), (24862, 26728)]