645748236

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{223}}^1\times {\mathrm{11491}}^1$

素因数の和:11731

約数の個数: 72

約数和(自身を含む): 1874023424

約数和(自身を除く): 1228275188

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 223, 252, 446, 669, 892, 1338, 1561, 2007, 2676, 3122, 4014, 4683, 6244, 8028, 9366, 11491, 14049, 18732, 22982, 28098, 34473, 45964, 56196, 68946, 80437, 103419, 137892, 160874, 206838, 241311, 321748, 413676, 482622, 723933, 965244, 1447866, 2562493, 2895732, 5124986, 7687479, 10249972, 15374958, 17937451, 23062437, 30749916, 35874902, 46124874, 53812353, 71749804, 92249748, 107624706, 161437059, 215249412, 322874118, 645748236]

約数ペア:

[(1, 645748236), (2, 322874118), (3, 215249412), (4, 161437059), (6, 107624706), (7, 92249748), (9, 71749804), (12, 53812353), (14, 46124874), (18, 35874902), (21, 30749916), (28, 23062437), (36, 17937451), (42, 15374958), (63, 10249972), (84, 7687479), (126, 5124986), (223, 2895732), (252, 2562493), (446, 1447866), (669, 965244), (892, 723933), (1338, 482622), (1561, 413676), (2007, 321748), (2676, 241311), (3122, 206838), (4014, 160874), (4683, 137892), (6244, 103419), (8028, 80437), (9366, 68946), (11491, 56196), (14049, 45964), (18732, 34473), (22982, 28098)]