13421890

素因数分解:

$2^1\times 5^1\times {\mathrm{97}}^1\times {\mathrm{101}}^1\times {\mathrm{137}}^1$

素因数の和:342

約数の個数: 32

約数和(自身を含む): 24830064

約数和(自身を除く): 11408174

約数列:

[1, 2, 5, 10, 97, 101, 137, 194, 202, 274, 485, 505, 685, 970, 1010, 1370, 9797, 13289, 13837, 19594, 26578, 27674, 48985, 66445, 69185, 97970, 132890, 138370, 1342189, 2684378, 6710945, 13421890]

約数ペア:

[(1, 13421890), (2, 6710945), (5, 2684378), (10, 1342189), (97, 138370), (101, 132890), (137, 97970), (194, 69185), (202, 66445), (274, 48985), (485, 27674), (505, 26578), (685, 19594), (970, 13837), (1010, 13289), (1370, 9797)]