123440512

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2393}}^1$

素因数の和:2451

約数の個数: 64

約数和(自身を含む): 273490560

約数和(自身を除く): 150050048

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, 2393, 3224, 3968, 4786, 6448, 9572, 12896, 19144, 25792, 31109, 38288, 51584, 62218, 74183, 76576, 124436, 148366, 153152, 248872, 296732, 306304, 497744, 593464, 964379, 995488, 1186928, 1928758, 1990976, 2373856, 3857516, 3981952, 4747712, 7715032, 9495424, 15430064, 30860128, 61720256, 123440512]

約数ペア:

[(1, 123440512), (2, 61720256), (4, 30860128), (8, 15430064), (13, 9495424), (16, 7715032), (26, 4747712), (31, 3981952), (32, 3857516), (52, 2373856), (62, 1990976), (64, 1928758), (104, 1186928), (124, 995488), (128, 964379), (208, 593464), (248, 497744), (403, 306304), (416, 296732), (496, 248872), (806, 153152), (832, 148366), (992, 124436), (1612, 76576), (1664, 74183), (1984, 62218), (2393, 51584), (3224, 38288), (3968, 31109), (4786, 25792), (6448, 19144), (9572, 12896)]