256736298

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{470213}}^1$

素因数の和:470238

約数の個数: 32

約数和(自身を含む): 631967616

約数和(自身を除く): 375231318

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 78, 91, 182, 273, 546, 470213, 940426, 1410639, 2821278, 3291491, 6112769, 6582982, 9874473, 12225538, 18338307, 19748946, 36676614, 42789383, 85578766, 128368149, 256736298]

約数ペア:

[(1, 256736298), (2, 128368149), (3, 85578766), (6, 42789383), (7, 36676614), (13, 19748946), (14, 18338307), (21, 12225538), (26, 9874473), (39, 6582982), (42, 6112769), (78, 3291491), (91, 2821278), (182, 1410639), (273, 940426), (546, 470213)]