128732092

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{89}}^2\times {\mathrm{239}}^1$

素因数の和:438

約数の個数: 36

約数和(自身を含む): 242252640

約数和(自身を除く): 113520548

約数列:

[1, 2, 4, 17, 34, 68, 89, 178, 239, 356, 478, 956, 1513, 3026, 4063, 6052, 7921, 8126, 15842, 16252, 21271, 31684, 42542, 85084, 134657, 269314, 361607, 538628, 723214, 1446428, 1893119, 3786238, 7572476, 32183023, 64366046, 128732092]

約数ペア:

[(1, 128732092), (2, 64366046), (4, 32183023), (17, 7572476), (34, 3786238), (68, 1893119), (89, 1446428), (178, 723214), (239, 538628), (356, 361607), (478, 269314), (956, 134657), (1513, 85084), (3026, 42542), (4063, 31684), (6052, 21271), (7921, 16252), (8126, 15842)]