288138025

素因数分解:

$5^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{53113}}^1$

素因数の和:53161

約数の個数: 24

約数和(自身を含む): 421512704

約数和(自身を除く): 133374679

約数列:

[1, 5, 7, 25, 31, 35, 155, 175, 217, 775, 1085, 5425, 53113, 265565, 371791, 1327825, 1646503, 1858955, 8232515, 9294775, 11525521, 41162575, 57627605, 288138025]

約数ペア:

[(1, 288138025), (5, 57627605), (7, 41162575), (25, 11525521), (31, 9294775), (35, 8232515), (155, 1858955), (175, 1646503), (217, 1327825), (775, 371791), (1085, 265565), (5425, 53113)]