218703996

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{289291}}^1$

素因数の和:289311

約数の個数: 48

約数和(自身を含む): 648014080

約数和(自身を除く): 429310084

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 84, 108, 126, 189, 252, 378, 756, 289291, 578582, 867873, 1157164, 1735746, 2025037, 2603619, 3471492, 4050074, 5207238, 6075111, 7810857, 8100148, 10414476, 12150222, 15621714, 18225333, 24300444, 31243428, 36450666, 54675999, 72901332, 109351998, 218703996]

約数ペア:

[(1, 218703996), (2, 109351998), (3, 72901332), (4, 54675999), (6, 36450666), (7, 31243428), (9, 24300444), (12, 18225333), (14, 15621714), (18, 12150222), (21, 10414476), (27, 8100148), (28, 7810857), (36, 6075111), (42, 5207238), (54, 4050074), (63, 3471492), (84, 2603619), (108, 2025037), (126, 1735746), (189, 1157164), (252, 867873), (378, 578582), (756, 289291)]