31188978

素因数分解:

$2^1\times 3^2\times {\mathrm{29}}^1\times {\mathrm{149}}^1\times {\mathrm{401}}^1$

素因数の和:587

約数の個数: 48

約数和(自身を含む): 70551000

約数和(自身を除く): 39362022

約数列:

[1, 2, 3, 6, 9, 18, 29, 58, 87, 149, 174, 261, 298, 401, 447, 522, 802, 894, 1203, 1341, 2406, 2682, 3609, 4321, 7218, 8642, 11629, 12963, 23258, 25926, 34887, 38889, 59749, 69774, 77778, 104661, 119498, 179247, 209322, 358494, 537741, 1075482, 1732721, 3465442, 5198163, 10396326, 15594489, 31188978]

約数ペア:

[(1, 31188978), (2, 15594489), (3, 10396326), (6, 5198163), (9, 3465442), (18, 1732721), (29, 1075482), (58, 537741), (87, 358494), (149, 209322), (174, 179247), (261, 119498), (298, 104661), (401, 77778), (447, 69774), (522, 59749), (802, 38889), (894, 34887), (1203, 25926), (1341, 23258), (2406, 12963), (2682, 11629), (3609, 8642), (4321, 7218)]