1279204870

素因数分解:

$2^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{26891}}^1$

素因数の和:27036

約数の個数: 32

約数和(自身を含む): 2369938176

約数和(自身を除く): 1090733306

約数列:

[1, 2, 5, 10, 67, 71, 134, 142, 335, 355, 670, 710, 4757, 9514, 23785, 26891, 47570, 53782, 134455, 268910, 1801697, 1909261, 3603394, 3818522, 9008485, 9546305, 18016970, 19092610, 127920487, 255840974, 639602435, 1279204870]

約数ペア:

[(1, 1279204870), (2, 639602435), (5, 255840974), (10, 127920487), (67, 19092610), (71, 18016970), (134, 9546305), (142, 9008485), (335, 3818522), (355, 3603394), (670, 1909261), (710, 1801697), (4757, 268910), (9514, 134455), (23785, 53782), (26891, 47570)]