990834342

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{449}}^1\times {\mathrm{15991}}^1$

素因数の和:16468

約数の個数: 32

約数和(自身を含む): 2072563200

約数和(自身を除く): 1081728858

約数列:

[1, 2, 3, 6, 23, 46, 69, 138, 449, 898, 1347, 2694, 10327, 15991, 20654, 30981, 31982, 47973, 61962, 95946, 367793, 735586, 1103379, 2206758, 7179959, 14359918, 21539877, 43079754, 165139057, 330278114, 495417171, 990834342]

約数ペア:

[(1, 990834342), (2, 495417171), (3, 330278114), (6, 165139057), (23, 43079754), (46, 21539877), (69, 14359918), (138, 7179959), (449, 2206758), (898, 1103379), (1347, 735586), (2694, 367793), (10327, 95946), (15991, 61962), (20654, 47973), (30981, 31982)]