278847894

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{16943}}^1$

素因数の和:17172

約数の個数: 32

約数和(自身を含む): 603477504

約数和(自身を除く): 324629610

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 211, 422, 633, 1266, 2743, 5486, 8229, 16458, 16943, 33886, 50829, 101658, 220259, 440518, 660777, 1321554, 3574973, 7149946, 10724919, 21449838, 46474649, 92949298, 139423947, 278847894]

約数ペア:

[(1, 278847894), (2, 139423947), (3, 92949298), (6, 46474649), (13, 21449838), (26, 10724919), (39, 7149946), (78, 3574973), (211, 1321554), (422, 660777), (633, 440518), (1266, 220259), (2743, 101658), (5486, 50829), (8229, 33886), (16458, 16943)]