31897984

素因数分解:

$2^7\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{137}}^1$

素因数の和:275

約数の個数: 64

約数和(自身を含む): 68409360

約数和(自身を除く): 36511376

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 107, 128, 136, 137, 214, 272, 274, 428, 544, 548, 856, 1088, 1096, 1712, 1819, 2176, 2192, 2329, 3424, 3638, 4384, 4658, 6848, 7276, 8768, 9316, 13696, 14552, 14659, 17536, 18632, 29104, 29318, 37264, 58208, 58636, 74528, 116416, 117272, 149056, 232832, 234544, 249203, 298112, 469088, 498406, 938176, 996812, 1876352, 1993624, 3987248, 7974496, 15948992, 31897984]

約数ペア:

[(1, 31897984), (2, 15948992), (4, 7974496), (8, 3987248), (16, 1993624), (17, 1876352), (32, 996812), (34, 938176), (64, 498406), (68, 469088), (107, 298112), (128, 249203), (136, 234544), (137, 232832), (214, 149056), (272, 117272), (274, 116416), (428, 74528), (544, 58636), (548, 58208), (856, 37264), (1088, 29318), (1096, 29104), (1712, 18632), (1819, 17536), (2176, 14659), (2192, 14552), (2329, 13696), (3424, 9316), (3638, 8768), (4384, 7276), (4658, 6848)]