489963318

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{47951}}^1$

素因数の和:48100

約数の個数: 32

約数和(自身を含む): 1063383552

約数和(自身を除く): 573420234

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 131, 262, 393, 786, 1703, 3406, 5109, 10218, 47951, 95902, 143853, 287706, 623363, 1246726, 1870089, 3740178, 6281581, 12563162, 18844743, 37689486, 81660553, 163321106, 244981659, 489963318]

約数ペア:

[(1, 489963318), (2, 244981659), (3, 163321106), (6, 81660553), (13, 37689486), (26, 18844743), (39, 12563162), (78, 6281581), (131, 3740178), (262, 1870089), (393, 1246726), (786, 623363), (1703, 287706), (3406, 143853), (5109, 95902), (10218, 47951)]