199172675

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{373}}^1$

素因数の和:480

約数の個数: 48

約数和(自身を含む): 280482048

約数和(自身を除く): 81309373

約数列:

[1, 5, 13, 25, 31, 53, 65, 155, 265, 325, 373, 403, 689, 775, 1325, 1643, 1865, 2015, 3445, 4849, 8215, 9325, 10075, 11563, 17225, 19769, 21359, 24245, 41075, 57815, 98845, 106795, 121225, 150319, 256997, 289075, 494225, 533975, 612839, 751595, 1284985, 3064195, 3757975, 6424925, 7966907, 15320975, 39834535, 199172675]

約数ペア:

[(1, 199172675), (5, 39834535), (13, 15320975), (25, 7966907), (31, 6424925), (53, 3757975), (65, 3064195), (155, 1284985), (265, 751595), (325, 612839), (373, 533975), (403, 494225), (689, 289075), (775, 256997), (1325, 150319), (1643, 121225), (1865, 106795), (2015, 98845), (3445, 57815), (4849, 41075), (8215, 24245), (9325, 21359), (10075, 19769), (11563, 17225)]