647577668

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{331}}^1\times {\mathrm{28771}}^1$

素因数の和:29123

約数の個数: 24

約数和(自身を含む): 1203590304

約数和(自身を除く): 556012636

約数列:

[1, 2, 4, 17, 34, 68, 331, 662, 1324, 5627, 11254, 22508, 28771, 57542, 115084, 489107, 978214, 1956428, 9523201, 19046402, 38092804, 161894417, 323788834, 647577668]

約数ペア:

[(1, 647577668), (2, 323788834), (4, 161894417), (17, 38092804), (34, 19046402), (68, 9523201), (331, 1956428), (662, 978214), (1324, 489107), (5627, 115084), (11254, 57542), (22508, 28771)]