289403135

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{11597}}^1$

素因数の和:11663

約数の個数: 32

約数和(自身を含む): 427548672

約数和(自身を除く): 138145537

約数列:

[1, 5, 7, 23, 31, 35, 115, 155, 161, 217, 713, 805, 1085, 3565, 4991, 11597, 24955, 57985, 81179, 266731, 359507, 405895, 1333655, 1797535, 1867117, 2516549, 8268661, 9335585, 12582745, 41343305, 57880627, 289403135]

約数ペア:

[(1, 289403135), (5, 57880627), (7, 41343305), (23, 12582745), (31, 9335585), (35, 8268661), (115, 2516549), (155, 1867117), (161, 1797535), (217, 1333655), (713, 405895), (805, 359507), (1085, 266731), (3565, 81179), (4991, 57985), (11597, 24955)]