720646974

素因数分解:

$2^1\times 3^2\times {\mathrm{4229}}^1\times {\mathrm{9467}}^1$

素因数の和:13704

約数の個数: 24

約数和(自身を含む): 1561935960

約数和(自身を除く): 841288986

約数列:

[1, 2, 3, 6, 9, 18, 4229, 8458, 9467, 12687, 18934, 25374, 28401, 38061, 56802, 76122, 85203, 170406, 40035943, 80071886, 120107829, 240215658, 360323487, 720646974]

約数ペア:

[(1, 720646974), (2, 360323487), (3, 240215658), (6, 120107829), (9, 80071886), (18, 40035943), (4229, 170406), (8458, 85203), (9467, 76122), (12687, 56802), (18934, 38061), (25374, 28401)]