84118190

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{20873}}^1$

素因数の和:20924

約数の個数: 32

約数和(自身を含む): 168327936

約数和(自身を除く): 84209746

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 2015, 4030, 20873, 41746, 104365, 208730, 271349, 542698, 647063, 1294126, 1356745, 2713490, 3235315, 6470630, 8411819, 16823638, 42059095, 84118190]

約数ペア:

[(1, 84118190), (2, 42059095), (5, 16823638), (10, 8411819), (13, 6470630), (26, 3235315), (31, 2713490), (62, 1356745), (65, 1294126), (130, 647063), (155, 542698), (310, 271349), (403, 208730), (806, 104365), (2015, 41746), (4030, 20873)]