71215228

素因数分解:

$2^2\times 7^2\times {\mathrm{363343}}^1$

素因数の和:363361

約数の個数: 18

約数和(自身を含む): 144974256

約数和(自身を除く): 73759028

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 363343, 726686, 1453372, 2543401, 5086802, 10173604, 17803807, 35607614, 71215228]

約数ペア:

[(1, 71215228), (2, 35607614), (4, 17803807), (7, 10173604), (14, 5086802), (28, 2543401), (49, 1453372), (98, 726686), (196, 363343)]