71920008

素因数分解:

$2^3\times 3^3\times {\mathrm{37}}^1\times {\mathrm{8999}}^1$

素因数の和:9051

約数の個数: 64

約数和(自身を含む): 205200000

約数和(自身を除く): 133279992

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 37, 54, 72, 74, 108, 111, 148, 216, 222, 296, 333, 444, 666, 888, 999, 1332, 1998, 2664, 3996, 7992, 8999, 17998, 26997, 35996, 53994, 71992, 80991, 107988, 161982, 215976, 242973, 323964, 332963, 485946, 647928, 665926, 971892, 998889, 1331852, 1943784, 1997778, 2663704, 2996667, 3995556, 5993334, 7991112, 8990001, 11986668, 17980002, 23973336, 35960004, 71920008]

約数ペア:

[(1, 71920008), (2, 35960004), (3, 23973336), (4, 17980002), (6, 11986668), (8, 8990001), (9, 7991112), (12, 5993334), (18, 3995556), (24, 2996667), (27, 2663704), (36, 1997778), (37, 1943784), (54, 1331852), (72, 998889), (74, 971892), (108, 665926), (111, 647928), (148, 485946), (216, 332963), (222, 323964), (296, 242973), (333, 215976), (444, 161982), (666, 107988), (888, 80991), (999, 71992), (1332, 53994), (1998, 35996), (2664, 26997), (3996, 17998), (7992, 8999)]