87979970

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{6977}}^1$

素因数の和:7094

約数の個数: 32

約数和(自身を含む): 172328688

約数和(自身を除く): 84348718

約数列:

[1, 2, 5, 10, 13, 26, 65, 97, 130, 194, 485, 970, 1261, 2522, 6305, 6977, 12610, 13954, 34885, 69770, 90701, 181402, 453505, 676769, 907010, 1353538, 3383845, 6767690, 8797997, 17595994, 43989985, 87979970]

約数ペア:

[(1, 87979970), (2, 43989985), (5, 17595994), (10, 8797997), (13, 6767690), (26, 3383845), (65, 1353538), (97, 907010), (130, 676769), (194, 453505), (485, 181402), (970, 90701), (1261, 69770), (2522, 34885), (6305, 13954), (6977, 12610)]