71978284

素因数分解:

$2^2\times 7^1\times {\mathrm{197}}^1\times {\mathrm{13049}}^1$

素因数の和:13257

約数の個数: 24

約数和(自身を含む): 144698400

約数和(自身を除く): 72720116

約数列:

[1, 2, 4, 7, 14, 28, 197, 394, 788, 1379, 2758, 5516, 13049, 26098, 52196, 91343, 182686, 365372, 2570653, 5141306, 10282612, 17994571, 35989142, 71978284]

約数ペア:

[(1, 71978284), (2, 35989142), (4, 17994571), (7, 10282612), (14, 5141306), (28, 2570653), (197, 365372), (394, 182686), (788, 91343), (1379, 52196), (2758, 26098), (5516, 13049)]