81020448

素因数分解:

$2^5\times 3^2\times {\mathrm{281321}}^1$

素因数の和:281337

約数の個数: 36

約数和(自身を含む): 230402718

約数和(自身を除く): 149382270

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 288, 281321, 562642, 843963, 1125284, 1687926, 2250568, 2531889, 3375852, 4501136, 5063778, 6751704, 9002272, 10127556, 13503408, 20255112, 27006816, 40510224, 81020448]

約数ペア:

[(1, 81020448), (2, 40510224), (3, 27006816), (4, 20255112), (6, 13503408), (8, 10127556), (9, 9002272), (12, 6751704), (16, 5063778), (18, 4501136), (24, 3375852), (32, 2531889), (36, 2250568), (48, 1687926), (72, 1125284), (96, 843963), (144, 562642), (288, 281321)]