138983894

素因数分解:

$2^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{197}}^1\times {\mathrm{313}}^1$

素因数の和:549

約数の個数: 48

約数和(自身を含む): 255153888

約数和(自身を除く): 116169994

約数列:

[1, 2, 7, 14, 23, 46, 49, 98, 161, 197, 313, 322, 394, 626, 1127, 1379, 2191, 2254, 2758, 4382, 4531, 7199, 9062, 9653, 14398, 15337, 19306, 30674, 31717, 50393, 61661, 63434, 100786, 123322, 222019, 352751, 431627, 444038, 705502, 863254, 1418203, 2836406, 3021389, 6042778, 9927421, 19854842, 69491947, 138983894]

約数ペア:

[(1, 138983894), (2, 69491947), (7, 19854842), (14, 9927421), (23, 6042778), (46, 3021389), (49, 2836406), (98, 1418203), (161, 863254), (197, 705502), (313, 444038), (322, 431627), (394, 352751), (626, 222019), (1127, 123322), (1379, 100786), (2191, 63434), (2254, 61661), (2758, 50393), (4382, 31717), (4531, 30674), (7199, 19306), (9062, 15337), (9653, 14398)]