38949944

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{499}}^1\times {\mathrm{887}}^1$

素因数の和:1403

約数の個数: 32

約数和(自身を含む): 79920000

約数和(自身を除く): 40970056

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 499, 887, 998, 1774, 1996, 3548, 3992, 5489, 7096, 9757, 10978, 19514, 21956, 39028, 43912, 78056, 442613, 885226, 1770452, 3540904, 4868743, 9737486, 19474972, 38949944]

約数ペア:

[(1, 38949944), (2, 19474972), (4, 9737486), (8, 4868743), (11, 3540904), (22, 1770452), (44, 885226), (88, 442613), (499, 78056), (887, 43912), (998, 39028), (1774, 21956), (1996, 19514), (3548, 10978), (3992, 9757), (5489, 7096)]