217335972

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{109}}^1\times {\mathrm{3391}}^1$

素因数の和:3521

約数の個数: 72

約数和(自身を含む): 595499520

約数和(自身を除く): 378163548

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 109, 147, 196, 218, 294, 327, 436, 588, 654, 763, 1308, 1526, 2289, 3052, 3391, 4578, 5341, 6782, 9156, 10173, 10682, 13564, 16023, 20346, 21364, 23737, 32046, 40692, 47474, 64092, 71211, 94948, 142422, 166159, 284844, 332318, 369619, 498477, 664636, 739238, 996954, 1108857, 1478476, 1993908, 2217714, 2587333, 4435428, 5174666, 7761999, 10349332, 15523998, 18111331, 31047996, 36222662, 54333993, 72445324, 108667986, 217335972]

約数ペア:

[(1, 217335972), (2, 108667986), (3, 72445324), (4, 54333993), (6, 36222662), (7, 31047996), (12, 18111331), (14, 15523998), (21, 10349332), (28, 7761999), (42, 5174666), (49, 4435428), (84, 2587333), (98, 2217714), (109, 1993908), (147, 1478476), (196, 1108857), (218, 996954), (294, 739238), (327, 664636), (436, 498477), (588, 369619), (654, 332318), (763, 284844), (1308, 166159), (1526, 142422), (2289, 94948), (3052, 71211), (3391, 64092), (4578, 47474), (5341, 40692), (6782, 32046), (9156, 23737), (10173, 21364), (10682, 20346), (13564, 16023)]