105609505

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1\times {\mathrm{251}}^1$

素因数の和:421

約数の個数: 32

約数和(自身を含む): 138378240

約数和(自身を除く): 32768735

約数列:

[1, 5, 19, 43, 95, 103, 215, 251, 515, 817, 1255, 1957, 4085, 4429, 4769, 9785, 10793, 22145, 23845, 25853, 53965, 84151, 129265, 205067, 420755, 491207, 1025335, 1111679, 2456035, 5558395, 21121901, 105609505]

約数ペア:

[(1, 105609505), (5, 21121901), (19, 5558395), (43, 2456035), (95, 1111679), (103, 1025335), (215, 491207), (251, 420755), (515, 205067), (817, 129265), (1255, 84151), (1957, 53965), (4085, 25853), (4429, 23845), (4769, 22145), (9785, 10793)]