28734965

素因数分解:

$5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{313}}^1$

素因数の和:429

約数の個数: 32

約数和(自身を含む): 41116416

約数和(自身を除く): 12381451

約数列:

[1, 5, 7, 35, 43, 61, 215, 301, 305, 313, 427, 1505, 1565, 2135, 2191, 2623, 10955, 13115, 13459, 18361, 19093, 67295, 91805, 94213, 95465, 133651, 471065, 668255, 820999, 4104995, 5746993, 28734965]

約数ペア:

[(1, 28734965), (5, 5746993), (7, 4104995), (35, 820999), (43, 668255), (61, 471065), (215, 133651), (301, 95465), (305, 94213), (313, 91805), (427, 67295), (1505, 19093), (1565, 18361), (2135, 13459), (2191, 13115), (2623, 10955)]