72289345

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1\times {\mathrm{109}}^1$

素因数の和:289

約数の個数: 32

約数和(自身を含む): 93772800

約数和(自身を除く): 21483455

約数列:

[1, 5, 23, 73, 79, 109, 115, 365, 395, 545, 1679, 1817, 2507, 5767, 7957, 8395, 8611, 9085, 12535, 28835, 39785, 43055, 132641, 183011, 198053, 628603, 663205, 915055, 990265, 3143015, 14457869, 72289345]

約数ペア:

[(1, 72289345), (5, 14457869), (23, 3143015), (73, 990265), (79, 915055), (109, 663205), (115, 628603), (365, 198053), (395, 183011), (545, 132641), (1679, 43055), (1817, 39785), (2507, 28835), (5767, 12535), (7957, 9085), (8395, 8611)]