215225248

素因数分解:

$2^5\times 7^2\times {\mathrm{317}}^1\times {\mathrm{433}}^1$

素因数の和:774

約数の個数: 72

約数和(自身を含む): 495601092

約数和(自身を除く): 280375844

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 98, 112, 196, 224, 317, 392, 433, 634, 784, 866, 1268, 1568, 1732, 2219, 2536, 3031, 3464, 4438, 5072, 6062, 6928, 8876, 10144, 12124, 13856, 15533, 17752, 21217, 24248, 31066, 35504, 42434, 48496, 62132, 71008, 84868, 96992, 124264, 137261, 169736, 248528, 274522, 339472, 497056, 549044, 678944, 960827, 1098088, 1921654, 2196176, 3843308, 4392352, 6725789, 7686616, 13451578, 15373232, 26903156, 30746464, 53806312, 107612624, 215225248]

約数ペア:

[(1, 215225248), (2, 107612624), (4, 53806312), (7, 30746464), (8, 26903156), (14, 15373232), (16, 13451578), (28, 7686616), (32, 6725789), (49, 4392352), (56, 3843308), (98, 2196176), (112, 1921654), (196, 1098088), (224, 960827), (317, 678944), (392, 549044), (433, 497056), (634, 339472), (784, 274522), (866, 248528), (1268, 169736), (1568, 137261), (1732, 124264), (2219, 96992), (2536, 84868), (3031, 71008), (3464, 62132), (4438, 48496), (5072, 42434), (6062, 35504), (6928, 31066), (8876, 24248), (10144, 21217), (12124, 17752), (13856, 15533)]