81398324

素因数分解:

$2^2\times 7^1\times {\mathrm{101}}^1\times {\mathrm{107}}^1\times {\mathrm{269}}^1$

素因数の和:488

約数の個数: 48

約数和(自身を含む): 166561920

約数和(自身を除く): 85163596

約数列:

[1, 2, 4, 7, 14, 28, 101, 107, 202, 214, 269, 404, 428, 538, 707, 749, 1076, 1414, 1498, 1883, 2828, 2996, 3766, 7532, 10807, 21614, 27169, 28783, 43228, 54338, 57566, 75649, 108676, 115132, 151298, 190183, 201481, 302596, 380366, 402962, 760732, 805924, 2907083, 5814166, 11628332, 20349581, 40699162, 81398324]

約数ペア:

[(1, 81398324), (2, 40699162), (4, 20349581), (7, 11628332), (14, 5814166), (28, 2907083), (101, 805924), (107, 760732), (202, 402962), (214, 380366), (269, 302596), (404, 201481), (428, 190183), (538, 151298), (707, 115132), (749, 108676), (1076, 75649), (1414, 57566), (1498, 54338), (1883, 43228), (2828, 28783), (2996, 27169), (3766, 21614), (7532, 10807)]