214617025

素因数分解:

$5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{751}}^1$

素因数の和:862

約数の個数: 48

約数和(自身を含む): 322265088

約数和(自身を除く): 107648063

約数列:

[1, 5, 7, 23, 25, 35, 71, 115, 161, 175, 355, 497, 575, 751, 805, 1633, 1775, 2485, 3755, 4025, 5257, 8165, 11431, 12425, 17273, 18775, 26285, 40825, 53321, 57155, 86365, 120911, 131425, 266605, 285775, 373247, 431825, 604555, 1226383, 1333025, 1866235, 3022775, 6131915, 8584681, 9331175, 30659575, 42923405, 214617025]

約数ペア:

[(1, 214617025), (5, 42923405), (7, 30659575), (23, 9331175), (25, 8584681), (35, 6131915), (71, 3022775), (115, 1866235), (161, 1333025), (175, 1226383), (355, 604555), (497, 431825), (575, 373247), (751, 285775), (805, 266605), (1633, 131425), (1775, 120911), (2485, 86365), (3755, 57155), (4025, 53321), (5257, 40825), (8165, 26285), (11431, 18775), (12425, 17273)]