81216504

素因数分解:

$2^3\times 3^2\times {\mathrm{263}}^1\times {\mathrm{4289}}^1$

素因数の和:4564

約数の個数: 48

約数和(自身を含む): 220849200

約数和(自身を除く): 139632696

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 263, 526, 789, 1052, 1578, 2104, 2367, 3156, 4289, 4734, 6312, 8578, 9468, 12867, 17156, 18936, 25734, 34312, 38601, 51468, 77202, 102936, 154404, 308808, 1128007, 2256014, 3384021, 4512028, 6768042, 9024056, 10152063, 13536084, 20304126, 27072168, 40608252, 81216504]

約数ペア:

[(1, 81216504), (2, 40608252), (3, 27072168), (4, 20304126), (6, 13536084), (8, 10152063), (9, 9024056), (12, 6768042), (18, 4512028), (24, 3384021), (36, 2256014), (72, 1128007), (263, 308808), (526, 154404), (789, 102936), (1052, 77202), (1578, 51468), (2104, 38601), (2367, 34312), (3156, 25734), (4289, 18936), (4734, 17156), (6312, 12867), (8578, 9468)]