81598708

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{109}}^2$

素因数の和:340

約数の個数: 36

約数和(自身を含む): 154108332

約数和(自身を除く): 72509624

約数列:

[1, 2, 4, 17, 34, 68, 101, 109, 202, 218, 404, 436, 1717, 1853, 3434, 3706, 6868, 7412, 11009, 11881, 22018, 23762, 44036, 47524, 187153, 201977, 374306, 403954, 748612, 807908, 1199981, 2399962, 4799924, 20399677, 40799354, 81598708]

約数ペア:

[(1, 81598708), (2, 40799354), (4, 20399677), (17, 4799924), (34, 2399962), (68, 1199981), (101, 807908), (109, 748612), (202, 403954), (218, 374306), (404, 201977), (436, 187153), (1717, 47524), (1853, 44036), (3434, 23762), (3706, 22018), (6868, 11881), (7412, 11009)]