31919984

素因数分解:

$2^4\times {\mathrm{97}}^1\times {\mathrm{131}}^1\times {\mathrm{157}}^1$

素因数の和:393

約数の個数: 40

約数和(自身を含む): 63360528

約数和(自身を除く): 31440544

約数列:

[1, 2, 4, 8, 16, 97, 131, 157, 194, 262, 314, 388, 524, 628, 776, 1048, 1256, 1552, 2096, 2512, 12707, 15229, 20567, 25414, 30458, 41134, 50828, 60916, 82268, 101656, 121832, 164536, 203312, 243664, 329072, 1994999, 3989998, 7979996, 15959992, 31919984]

約数ペア:

[(1, 31919984), (2, 15959992), (4, 7979996), (8, 3989998), (16, 1994999), (97, 329072), (131, 243664), (157, 203312), (194, 164536), (262, 121832), (314, 101656), (388, 82268), (524, 60916), (628, 50828), (776, 41134), (1048, 30458), (1256, 25414), (1552, 20567), (2096, 15229), (2512, 12707)]