31311488

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{607}}^1$

素因数の和:665

約数の個数: 64

約数和(自身を含む): 69457920

約数和(自身を除く): 38146432

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 32, 52, 62, 64, 104, 124, 128, 208, 248, 403, 416, 496, 607, 806, 832, 992, 1214, 1612, 1664, 1984, 2428, 3224, 3968, 4856, 6448, 7891, 9712, 12896, 15782, 18817, 19424, 25792, 31564, 37634, 38848, 51584, 63128, 75268, 77696, 126256, 150536, 244621, 252512, 301072, 489242, 505024, 602144, 978484, 1010048, 1204288, 1956968, 2408576, 3913936, 7827872, 15655744, 31311488]

約数ペア:

[(1, 31311488), (2, 15655744), (4, 7827872), (8, 3913936), (13, 2408576), (16, 1956968), (26, 1204288), (31, 1010048), (32, 978484), (52, 602144), (62, 505024), (64, 489242), (104, 301072), (124, 252512), (128, 244621), (208, 150536), (248, 126256), (403, 77696), (416, 75268), (496, 63128), (607, 51584), (806, 38848), (832, 37634), (992, 31564), (1214, 25792), (1612, 19424), (1664, 18817), (1984, 15782), (2428, 12896), (3224, 9712), (3968, 7891), (4856, 6448)]