71511888

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{331}}^1\times {\mathrm{643}}^1$

素因数の和:992

約数の個数: 80

約数和(自身を含む): 212097536

約数和(自身を除く): 140585648

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 331, 336, 643, 662, 993, 1286, 1324, 1929, 1986, 2317, 2572, 2648, 3858, 3972, 4501, 4634, 5144, 5296, 6951, 7716, 7944, 9002, 9268, 10288, 13503, 13902, 15432, 15888, 18004, 18536, 27006, 27804, 30864, 36008, 37072, 54012, 55608, 72016, 108024, 111216, 212833, 216048, 425666, 638499, 851332, 1276998, 1489831, 1702664, 2553996, 2979662, 3405328, 4469493, 5107992, 5959324, 8938986, 10215984, 11918648, 17877972, 23837296, 35755944, 71511888]

約数ペア:

[(1, 71511888), (2, 35755944), (3, 23837296), (4, 17877972), (6, 11918648), (7, 10215984), (8, 8938986), (12, 5959324), (14, 5107992), (16, 4469493), (21, 3405328), (24, 2979662), (28, 2553996), (42, 1702664), (48, 1489831), (56, 1276998), (84, 851332), (112, 638499), (168, 425666), (331, 216048), (336, 212833), (643, 111216), (662, 108024), (993, 72016), (1286, 55608), (1324, 54012), (1929, 37072), (1986, 36008), (2317, 30864), (2572, 27804), (2648, 27006), (3858, 18536), (3972, 18004), (4501, 15888), (4634, 15432), (5144, 13902), (5296, 13503), (6951, 10288), (7716, 9268), (7944, 9002)]