81445810

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{659}}^1\times {\mathrm{727}}^1$

素因数の和:1410

約数の個数: 32

約数和(自身を含む): 155675520

約数和(自身を除く): 74229710

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 659, 727, 1318, 1454, 3295, 3635, 6590, 7270, 11203, 12359, 22406, 24718, 56015, 61795, 112030, 123590, 479093, 958186, 2395465, 4790930, 8144581, 16289162, 40722905, 81445810]

約数ペア:

[(1, 81445810), (2, 40722905), (5, 16289162), (10, 8144581), (17, 4790930), (34, 2395465), (85, 958186), (170, 479093), (659, 123590), (727, 112030), (1318, 61795), (1454, 56015), (3295, 24718), (3635, 22406), (6590, 12359), (7270, 11203)]