201915413

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{443}}^1$

素因数の和:641

約数の個数: 32

約数和(自身を含む): 255744000

約数和(自身を除く): 53828587

約数列:

[1, 7, 19, 23, 133, 149, 161, 437, 443, 1043, 2831, 3059, 3101, 3427, 8417, 10189, 19817, 23989, 58919, 65113, 66007, 71323, 193591, 455791, 462049, 1254133, 1355137, 1518161, 8778931, 10627127, 28845059, 201915413]

約数ペア:

[(1, 201915413), (7, 28845059), (19, 10627127), (23, 8778931), (133, 1518161), (149, 1355137), (161, 1254133), (437, 462049), (443, 455791), (1043, 193591), (2831, 71323), (3059, 66007), (3101, 65113), (3427, 58919), (8417, 23989), (10189, 19817)]