159438890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{39563}}^1$

素因数の和:39614

約数の個数: 32

約数和(自身を含む): 319044096

約数和(自身を除く): 159605206

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 2015, 4030, 39563, 79126, 197815, 395630, 514319, 1028638, 1226453, 2452906, 2571595, 5143190, 6132265, 12264530, 15943889, 31887778, 79719445, 159438890]

約数ペア:

[(1, 159438890), (2, 79719445), (5, 31887778), (10, 15943889), (13, 12264530), (26, 6132265), (31, 5143190), (62, 2571595), (65, 2452906), (130, 1226453), (155, 1028638), (310, 514319), (403, 395630), (806, 197815), (2015, 79126), (4030, 39563)]