8019972

素因数分解:

$2^2\times 3^5\times {\mathrm{37}}^1\times {\mathrm{223}}^1$

素因数の和:279

約数の個数: 72

約数和(自身を含む): 21688576

約数和(自身を除く): 13668604

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 37, 54, 74, 81, 108, 111, 148, 162, 222, 223, 243, 324, 333, 444, 446, 486, 666, 669, 892, 972, 999, 1332, 1338, 1998, 2007, 2676, 2997, 3996, 4014, 5994, 6021, 8028, 8251, 8991, 11988, 12042, 16502, 17982, 18063, 24084, 24753, 33004, 35964, 36126, 49506, 54189, 72252, 74259, 99012, 108378, 148518, 216756, 222777, 297036, 445554, 668331, 891108, 1336662, 2004993, 2673324, 4009986, 8019972]

約数ペア:

[(1, 8019972), (2, 4009986), (3, 2673324), (4, 2004993), (6, 1336662), (9, 891108), (12, 668331), (18, 445554), (27, 297036), (36, 222777), (37, 216756), (54, 148518), (74, 108378), (81, 99012), (108, 74259), (111, 72252), (148, 54189), (162, 49506), (222, 36126), (223, 35964), (243, 33004), (324, 24753), (333, 24084), (444, 18063), (446, 17982), (486, 16502), (666, 12042), (669, 11988), (892, 8991), (972, 8251), (999, 8028), (1332, 6021), (1338, 5994), (1998, 4014), (2007, 3996), (2676, 2997)]