81716970

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{107}}^1\times {\mathrm{25457}}^1$

素因数の和:25574

約数の個数: 32

約数和(自身を含む): 197961408

約数和(自身を除く): 116244438

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 107, 214, 321, 535, 642, 1070, 1605, 3210, 25457, 50914, 76371, 127285, 152742, 254570, 381855, 763710, 2723899, 5447798, 8171697, 13619495, 16343394, 27238990, 40858485, 81716970]

約数ペア:

[(1, 81716970), (2, 40858485), (3, 27238990), (5, 16343394), (6, 13619495), (10, 8171697), (15, 5447798), (30, 2723899), (107, 763710), (214, 381855), (321, 254570), (535, 152742), (642, 127285), (1070, 76371), (1605, 50914), (3210, 25457)]