857893504

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{16631}}^1$

素因数の和:16689

約数の個数: 64

約数和(自身を含む): 1900039680

約数和(自身を除く): 1042146176

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 32, 52, 62, 64, 104, 124, 128, 208, 248, 403, 416, 496, 806, 832, 992, 1612, 1664, 1984, 3224, 3968, 6448, 12896, 16631, 25792, 33262, 51584, 66524, 133048, 216203, 266096, 432406, 515561, 532192, 864812, 1031122, 1064384, 1729624, 2062244, 2128768, 3459248, 4124488, 6702293, 6918496, 8248976, 13404586, 13836992, 16497952, 26809172, 27673984, 32995904, 53618344, 65991808, 107236688, 214473376, 428946752, 857893504]

約数ペア:

[(1, 857893504), (2, 428946752), (4, 214473376), (8, 107236688), (13, 65991808), (16, 53618344), (26, 32995904), (31, 27673984), (32, 26809172), (52, 16497952), (62, 13836992), (64, 13404586), (104, 8248976), (124, 6918496), (128, 6702293), (208, 4124488), (248, 3459248), (403, 2128768), (416, 2062244), (496, 1729624), (806, 1064384), (832, 1031122), (992, 864812), (1612, 532192), (1664, 515561), (1984, 432406), (3224, 266096), (3968, 216203), (6448, 133048), (12896, 66524), (16631, 51584), (25792, 33262)]