1556551808

素因数分解:

$2^7\times 7^1\times {\mathrm{991}}^1\times {\mathrm{1753}}^1$

素因数の和:2765

約数の個数: 64

約数和(自身を含む): 3549534720

約数和(自身を除く): 1992982912

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 448, 896, 991, 1753, 1982, 3506, 3964, 6937, 7012, 7928, 12271, 13874, 14024, 15856, 24542, 27748, 28048, 31712, 49084, 55496, 56096, 63424, 98168, 110992, 112192, 126848, 196336, 221984, 224384, 392672, 443968, 785344, 887936, 1570688, 1737223, 3474446, 6948892, 12160561, 13897784, 24321122, 27795568, 48642244, 55591136, 97284488, 111182272, 194568976, 222364544, 389137952, 778275904, 1556551808]

約数ペア:

[(1, 1556551808), (2, 778275904), (4, 389137952), (7, 222364544), (8, 194568976), (14, 111182272), (16, 97284488), (28, 55591136), (32, 48642244), (56, 27795568), (64, 24321122), (112, 13897784), (128, 12160561), (224, 6948892), (448, 3474446), (896, 1737223), (991, 1570688), (1753, 887936), (1982, 785344), (3506, 443968), (3964, 392672), (6937, 224384), (7012, 221984), (7928, 196336), (12271, 126848), (13874, 112192), (14024, 110992), (15856, 98168), (24542, 63424), (27748, 56096), (28048, 55496), (31712, 49084)]