172076905

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{34381}}^1$

素因数の和:34417

約数の個数: 32

約数和(自身を含む): 277256448

約数和(自身を除く): 105179543

約数列:

[1, 5, 7, 11, 13, 35, 55, 65, 77, 91, 143, 385, 455, 715, 1001, 5005, 34381, 171905, 240667, 378191, 446953, 1203335, 1890955, 2234765, 2647337, 3128671, 4916483, 13236685, 15643355, 24582415, 34415381, 172076905]

約数ペア:

[(1, 172076905), (5, 34415381), (7, 24582415), (11, 15643355), (13, 13236685), (35, 4916483), (55, 3128671), (65, 2647337), (77, 2234765), (91, 1890955), (143, 1203335), (385, 446953), (455, 378191), (715, 240667), (1001, 171905), (5005, 34381)]