81140256

素因数分解:

$2^5\times 3^2\times {\mathrm{281737}}^1$

素因数の和:281753

約数の個数: 36

約数和(自身を含む): 230743422

約数和(自身を除く): 149603166

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 288, 281737, 563474, 845211, 1126948, 1690422, 2253896, 2535633, 3380844, 4507792, 5071266, 6761688, 9015584, 10142532, 13523376, 20285064, 27046752, 40570128, 81140256]

約数ペア:

[(1, 81140256), (2, 40570128), (3, 27046752), (4, 20285064), (6, 13523376), (8, 10142532), (9, 9015584), (12, 6761688), (16, 5071266), (18, 4507792), (24, 3380844), (32, 2535633), (36, 2253896), (48, 1690422), (72, 1126948), (96, 845211), (144, 563474), (288, 281737)]