201440774

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{197}}^1\times {\mathrm{379}}^1$

素因数の和:668

約数の個数: 32

約数和(自身を含む): 325036800

約数和(自身を除く): 123596026

約数列:

[1, 2, 19, 38, 71, 142, 197, 379, 394, 758, 1349, 2698, 3743, 7201, 7486, 13987, 14402, 26909, 27974, 53818, 74663, 149326, 265753, 511271, 531506, 1022542, 1418597, 2837194, 5301073, 10602146, 100720387, 201440774]

約数ペア:

[(1, 201440774), (2, 100720387), (19, 10602146), (38, 5301073), (71, 2837194), (142, 1418597), (197, 1022542), (379, 531506), (394, 511271), (758, 265753), (1349, 149326), (2698, 74663), (3743, 53818), (7201, 27974), (7486, 26909), (13987, 14402)]