278655468

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{255179}}^1$

素因数の和:255206

約数の個数: 48

約数和(自身を含む): 800244480

約数和(自身を除く): 521589012

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 39, 42, 52, 78, 84, 91, 156, 182, 273, 364, 546, 1092, 255179, 510358, 765537, 1020716, 1531074, 1786253, 3062148, 3317327, 3572506, 5358759, 6634654, 7145012, 9951981, 10717518, 13269308, 19903962, 21435036, 23221289, 39807924, 46442578, 69663867, 92885156, 139327734, 278655468]

約数ペア:

[(1, 278655468), (2, 139327734), (3, 92885156), (4, 69663867), (6, 46442578), (7, 39807924), (12, 23221289), (13, 21435036), (14, 19903962), (21, 13269308), (26, 10717518), (28, 9951981), (39, 7145012), (42, 6634654), (52, 5358759), (78, 3572506), (84, 3317327), (91, 3062148), (156, 1786253), (182, 1531074), (273, 1020716), (364, 765537), (546, 510358), (1092, 255179)]