256534851027

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{563}}^1\times {\mathrm{238439}}^1$

素因数の和:239032

約数の個数: 48

約数和(自身を含む): 429260670720

約数和(自身を除く): 172725819693

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 273, 563, 637, 1689, 1911, 3941, 7319, 11823, 21957, 27587, 51233, 82761, 153699, 238439, 358631, 715317, 1075893, 1669073, 3099707, 5007219, 9299121, 11683511, 21697949, 35050533, 65093847, 134241157, 151885643, 402723471, 455656929, 939688099, 1745135041, 2819064297, 5235405123, 6577816693, 12215945287, 19733450079, 36647835861, 85511617009, 256534851027]

約数ペア:

[(1, 256534851027), (3, 85511617009), (7, 36647835861), (13, 19733450079), (21, 12215945287), (39, 6577816693), (49, 5235405123), (91, 2819064297), (147, 1745135041), (273, 939688099), (563, 455656929), (637, 402723471), (1689, 151885643), (1911, 134241157), (3941, 65093847), (7319, 35050533), (11823, 21697949), (21957, 11683511), (27587, 9299121), (51233, 5007219), (82761, 3099707), (153699, 1669073), (238439, 1075893), (358631, 715317)]