68615728

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{229}}^1\times {\mathrm{307}}^1$

素因数の和:605

約数の個数: 40

約数和(自身を含む): 136154480

約数和(自身を除く): 67538752

約数列:

[1, 2, 4, 8, 16, 61, 122, 229, 244, 307, 458, 488, 614, 916, 976, 1228, 1832, 2456, 3664, 4912, 13969, 18727, 27938, 37454, 55876, 70303, 74908, 111752, 140606, 149816, 223504, 281212, 299632, 562424, 1124848, 4288483, 8576966, 17153932, 34307864, 68615728]

約数ペア:

[(1, 68615728), (2, 34307864), (4, 17153932), (8, 8576966), (16, 4288483), (61, 1124848), (122, 562424), (229, 299632), (244, 281212), (307, 223504), (458, 149816), (488, 140606), (614, 111752), (916, 74908), (976, 70303), (1228, 55876), (1832, 37454), (2456, 27938), (3664, 18727), (4912, 13969)]