352395290

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{87443}}^1$

素因数の和:87494

約数の個数: 32

約数和(自身を含む): 705148416

約数和(自身を除く): 352753126

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 2015, 4030, 87443, 174886, 437215, 874430, 1136759, 2273518, 2710733, 5421466, 5683795, 11367590, 13553665, 27107330, 35239529, 70479058, 176197645, 352395290]

約数ペア:

[(1, 352395290), (2, 176197645), (5, 70479058), (10, 35239529), (13, 27107330), (26, 13553665), (31, 11367590), (62, 5683795), (65, 5421466), (130, 2710733), (155, 2273518), (310, 1136759), (403, 874430), (806, 437215), (2015, 174886), (4030, 87443)]