13191815

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{367}}^1$

素因数の和:471

約数の個数: 32

約数和(自身を含む): 19783680

約数和(自身を除く): 6591865

約数列:

[1, 5, 7, 13, 35, 65, 79, 91, 367, 395, 455, 553, 1027, 1835, 2569, 2765, 4771, 5135, 7189, 12845, 23855, 28993, 33397, 35945, 144965, 166985, 202951, 376909, 1014755, 1884545, 2638363, 13191815]

約数ペア:

[(1, 13191815), (5, 2638363), (7, 1884545), (13, 1014755), (35, 376909), (65, 202951), (79, 166985), (91, 144965), (367, 35945), (395, 33397), (455, 28993), (553, 23855), (1027, 12845), (1835, 7189), (2569, 5135), (2765, 4771)]