71977321

素因数分解:

${\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{151}}^1\times {\mathrm{991}}^1$

素因数の和:1192

約数の個数: 16

約数和(自身を含む): 80217088

約数和(自身を除く): 8239767

約数列:

[1, 13, 37, 151, 481, 991, 1963, 5587, 12883, 36667, 72631, 149641, 476671, 1945333, 5536717, 71977321]

約数ペア:

[(1, 71977321), (13, 5536717), (37, 1945333), (151, 476671), (481, 149641), (991, 72631), (1963, 36667), (5587, 12883)]