51825025

素因数分解:

$5^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{233}}^1$

素因数の和:322

約数の個数: 48

約数和(自身を含む): 77995008

約数和(自身を除く): 26169983

約数列:

[1, 5, 7, 25, 31, 35, 41, 155, 175, 205, 217, 233, 287, 775, 1025, 1085, 1165, 1271, 1435, 1631, 5425, 5825, 6355, 7175, 7223, 8155, 8897, 9553, 31775, 36115, 40775, 44485, 47765, 50561, 66871, 180575, 222425, 238825, 252805, 296143, 334355, 1264025, 1480715, 1671775, 2073001, 7403575, 10365005, 51825025]

約数ペア:

[(1, 51825025), (5, 10365005), (7, 7403575), (25, 2073001), (31, 1671775), (35, 1480715), (41, 1264025), (155, 334355), (175, 296143), (205, 252805), (217, 238825), (233, 222425), (287, 180575), (775, 66871), (1025, 50561), (1085, 47765), (1165, 44485), (1271, 40775), (1435, 36115), (1631, 31775), (5425, 9553), (5825, 8897), (6355, 8155), (7175, 7223)]