128315908

素因数分解:

$2^2\times 7^2\times {\mathrm{79}}^1\times {\mathrm{8287}}^1$

素因数の和:8384

約数の個数: 36

約数和(自身を含む): 264552960

約数和(自身を除く): 136237052

約数列:

[1, 2, 4, 7, 14, 28, 49, 79, 98, 158, 196, 316, 553, 1106, 2212, 3871, 7742, 8287, 15484, 16574, 33148, 58009, 116018, 232036, 406063, 654673, 812126, 1309346, 1624252, 2618692, 4582711, 9165422, 18330844, 32078977, 64157954, 128315908]

約数ペア:

[(1, 128315908), (2, 64157954), (4, 32078977), (7, 18330844), (14, 9165422), (28, 4582711), (49, 2618692), (79, 1624252), (98, 1309346), (158, 812126), (196, 654673), (316, 406063), (553, 232036), (1106, 116018), (2212, 58009), (3871, 33148), (7742, 16574), (8287, 15484)]