645366918

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{733}}^1\times {\mathrm{20963}}^1$

素因数の和:21708

約数の個数: 32

約数和(自身を含む): 1477207296

約数和(自身を除く): 831840378

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 733, 1466, 2199, 4398, 5131, 10262, 15393, 20963, 30786, 41926, 62889, 125778, 146741, 293482, 440223, 880446, 15365879, 30731758, 46097637, 92195274, 107561153, 215122306, 322683459, 645366918]

約数ペア:

[(1, 645366918), (2, 322683459), (3, 215122306), (6, 107561153), (7, 92195274), (14, 46097637), (21, 30731758), (42, 15365879), (733, 880446), (1466, 440223), (2199, 293482), (4398, 146741), (5131, 125778), (10262, 62889), (15393, 41926), (20963, 30786)]