81743896

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{7211}}^1$

素因数の和:7339

約数の個数: 32

約数和(自身を含む): 166597200

約数和(自身を除く): 84853304

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 109, 218, 436, 872, 1417, 2834, 5668, 7211, 11336, 14422, 28844, 57688, 93743, 187486, 374972, 749944, 785999, 1571998, 3143996, 6287992, 10217987, 20435974, 40871948, 81743896]

約数ペア:

[(1, 81743896), (2, 40871948), (4, 20435974), (8, 10217987), (13, 6287992), (26, 3143996), (52, 1571998), (104, 785999), (109, 749944), (218, 374972), (436, 187486), (872, 93743), (1417, 57688), (2834, 28844), (5668, 14422), (7211, 11336)]