201718270

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{761}}^1\times {\mathrm{2039}}^1$

素因数の和:2820

約数の個数: 32

約数和(自身を含む): 391728960

約数和(自身を除く): 190010690

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 761, 1522, 2039, 3805, 4078, 7610, 9893, 10195, 19786, 20390, 26507, 49465, 53014, 98930, 132535, 265070, 1551679, 3103358, 7758395, 15516790, 20171827, 40343654, 100859135, 201718270]

約数ペア:

[(1, 201718270), (2, 100859135), (5, 40343654), (10, 20171827), (13, 15516790), (26, 7758395), (65, 3103358), (130, 1551679), (761, 265070), (1522, 132535), (2039, 98930), (3805, 53014), (4078, 49465), (7610, 26507), (9893, 20390), (10195, 19786)]