31903216

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{491}}^1$

素因数の和:661

約数の個数: 40

約数和(自身を含む): 64424448

約数和(自身を除く): 32521232

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 131, 248, 262, 491, 496, 524, 982, 1048, 1964, 2096, 3928, 4061, 7856, 8122, 15221, 16244, 30442, 32488, 60884, 64321, 64976, 121768, 128642, 243536, 257284, 514568, 1029136, 1993951, 3987902, 7975804, 15951608, 31903216]

約数ペア:

[(1, 31903216), (2, 15951608), (4, 7975804), (8, 3987902), (16, 1993951), (31, 1029136), (62, 514568), (124, 257284), (131, 243536), (248, 128642), (262, 121768), (491, 64976), (496, 64321), (524, 60884), (982, 32488), (1048, 30442), (1964, 16244), (2096, 15221), (3928, 8122), (4061, 7856)]