71947484

素因数分解:

$2^2\times 7^2\times {\mathrm{331}}^1\times {\mathrm{1109}}^1$

素因数の和:1458

約数の個数: 36

約数和(自身を含む): 147039480

約数和(自身を除く): 75091996

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 331, 662, 1109, 1324, 2218, 2317, 4436, 4634, 7763, 9268, 15526, 16219, 31052, 32438, 54341, 64876, 108682, 217364, 367079, 734158, 1468316, 2569553, 5139106, 10278212, 17986871, 35973742, 71947484]

約数ペア:

[(1, 71947484), (2, 35973742), (4, 17986871), (7, 10278212), (14, 5139106), (28, 2569553), (49, 1468316), (98, 734158), (196, 367079), (331, 217364), (662, 108682), (1109, 64876), (1324, 54341), (2218, 32438), (2317, 31052), (4436, 16219), (4634, 15526), (7763, 9268)]