31213715

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^2\times {\mathrm{571}}^1$

素因数の和:647

約数の個数: 24

約数和(自身を含む): 41849808

約数和(自身を除く): 10636093

約数列:

[1, 5, 13, 29, 65, 145, 377, 571, 841, 1885, 2855, 4205, 7423, 10933, 16559, 37115, 54665, 82795, 215267, 480211, 1076335, 2401055, 6242743, 31213715]

約数ペア:

[(1, 31213715), (5, 6242743), (13, 2401055), (29, 1076335), (65, 480211), (145, 215267), (377, 82795), (571, 54665), (841, 37115), (1885, 16559), (2855, 10933), (4205, 7423)]