81611784

素因数分解:

$2^3\times 3^2\times {\mathrm{587}}^1\times {\mathrm{1931}}^1$

素因数の和:2530

約数の個数: 48

約数和(自身を含む): 221523120

約数和(自身を除く): 139911336

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 587, 1174, 1761, 1931, 2348, 3522, 3862, 4696, 5283, 5793, 7044, 7724, 10566, 11586, 14088, 15448, 17379, 21132, 23172, 34758, 42264, 46344, 69516, 139032, 1133497, 2266994, 3400491, 4533988, 6800982, 9067976, 10201473, 13601964, 20402946, 27203928, 40805892, 81611784]

約数ペア:

[(1, 81611784), (2, 40805892), (3, 27203928), (4, 20402946), (6, 13601964), (8, 10201473), (9, 9067976), (12, 6800982), (18, 4533988), (24, 3400491), (36, 2266994), (72, 1133497), (587, 139032), (1174, 69516), (1761, 46344), (1931, 42264), (2348, 34758), (3522, 23172), (3862, 21132), (4696, 17379), (5283, 15448), (5793, 14088), (7044, 11586), (7724, 10566)]