2215209715

素因数分解:

$5^1\times {\mathrm{19}}^2\times {\mathrm{43}}^1\times {\mathrm{28541}}^1$

素因数の和:28627

約数の個数: 24

約数和(自身を含む): 2870868528

約数和(自身を除く): 655658813

約数列:

[1, 5, 19, 43, 95, 215, 361, 817, 1805, 4085, 15523, 28541, 77615, 142705, 542279, 1227263, 2711395, 6136315, 10303301, 23317997, 51516505, 116589985, 443041943, 2215209715]

約数ペア:

[(1, 2215209715), (5, 443041943), (19, 116589985), (43, 51516505), (95, 23317997), (215, 10303301), (361, 6136315), (817, 2711395), (1805, 1227263), (4085, 542279), (15523, 142705), (28541, 77615)]