71721944

素因数分解:

$2^3\times 7^1\times {\mathrm{971}}^1\times {\mathrm{1319}}^1$

素因数の和:2303

約数の個数: 32

約数和(自身を含む): 153964800

約数和(自身を除く): 82242856

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 971, 1319, 1942, 2638, 3884, 5276, 6797, 7768, 9233, 10552, 13594, 18466, 27188, 36932, 54376, 73864, 1280749, 2561498, 5122996, 8965243, 10245992, 17930486, 35860972, 71721944]

約数ペア:

[(1, 71721944), (2, 35860972), (4, 17930486), (7, 10245992), (8, 8965243), (14, 5122996), (28, 2561498), (56, 1280749), (971, 73864), (1319, 54376), (1942, 36932), (2638, 27188), (3884, 18466), (5276, 13594), (6797, 10552), (7768, 9233)]