158235904

素因数分解:

$2^8\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{157}}^1$

素因数の和:331

約数の個数: 72

約数和(自身を含む): 330702848

約数和(自身を除く): 172466944

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 127, 128, 157, 248, 254, 256, 314, 496, 508, 628, 992, 1016, 1256, 1984, 2032, 2512, 3937, 3968, 4064, 4867, 5024, 7874, 7936, 8128, 9734, 10048, 15748, 16256, 19468, 19939, 20096, 31496, 32512, 38936, 39878, 40192, 62992, 77872, 79756, 125984, 155744, 159512, 251968, 311488, 319024, 503936, 618109, 622976, 638048, 1007872, 1236218, 1245952, 1276096, 2472436, 2552192, 4944872, 5104384, 9889744, 19779488, 39558976, 79117952, 158235904]

約数ペア:

[(1, 158235904), (2, 79117952), (4, 39558976), (8, 19779488), (16, 9889744), (31, 5104384), (32, 4944872), (62, 2552192), (64, 2472436), (124, 1276096), (127, 1245952), (128, 1236218), (157, 1007872), (248, 638048), (254, 622976), (256, 618109), (314, 503936), (496, 319024), (508, 311488), (628, 251968), (992, 159512), (1016, 155744), (1256, 125984), (1984, 79756), (2032, 77872), (2512, 62992), (3937, 40192), (3968, 39878), (4064, 38936), (4867, 32512), (5024, 31496), (7874, 20096), (7936, 19939), (8128, 19468), (9734, 16256), (10048, 15748)]