12913250

素因数分解:

$2^1\times 5^3\times 7^1\times {\mathrm{47}}^1\times {\mathrm{157}}^1$

素因数の和:228

約数の個数: 64

約数和(自身を含む): 28394496

約数和(自身を除く): 15481246

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 47, 50, 70, 94, 125, 157, 175, 235, 250, 314, 329, 350, 470, 658, 785, 875, 1099, 1175, 1570, 1645, 1750, 2198, 2350, 3290, 3925, 5495, 5875, 7379, 7850, 8225, 10990, 11750, 14758, 16450, 19625, 27475, 36895, 39250, 41125, 51653, 54950, 73790, 82250, 103306, 137375, 184475, 258265, 274750, 368950, 516530, 922375, 1291325, 1844750, 2582650, 6456625, 12913250]

約数ペア:

[(1, 12913250), (2, 6456625), (5, 2582650), (7, 1844750), (10, 1291325), (14, 922375), (25, 516530), (35, 368950), (47, 274750), (50, 258265), (70, 184475), (94, 137375), (125, 103306), (157, 82250), (175, 73790), (235, 54950), (250, 51653), (314, 41125), (329, 39250), (350, 36895), (470, 27475), (658, 19625), (785, 16450), (875, 14758), (1099, 11750), (1175, 10990), (1570, 8225), (1645, 7850), (1750, 7379), (2198, 5875), (2350, 5495), (3290, 3925)]