31319984

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{113}}^1\times {\mathrm{1019}}^1$

素因数の和:1157

約数の個数: 40

約数和(自身を含む): 64884240

約数和(自身を除く): 33564256

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 113, 136, 226, 272, 452, 904, 1019, 1808, 1921, 2038, 3842, 4076, 7684, 8152, 15368, 16304, 17323, 30736, 34646, 69292, 115147, 138584, 230294, 277168, 460588, 921176, 1842352, 1957499, 3914998, 7829996, 15659992, 31319984]

約数ペア:

[(1, 31319984), (2, 15659992), (4, 7829996), (8, 3914998), (16, 1957499), (17, 1842352), (34, 921176), (68, 460588), (113, 277168), (136, 230294), (226, 138584), (272, 115147), (452, 69292), (904, 34646), (1019, 30736), (1808, 17323), (1921, 16304), (2038, 15368), (3842, 8152), (4076, 7684)]