197860

素因数分解:

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

素因数の和:783

約数の個数: 24

約数和(自身を含む): 448056

約数和(自身を除く): 250196

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 761, 1522, 3044, 3805, 7610, 9893, 15220, 19786, 39572, 49465, 98930, 197860]

約数ペア:

[(1, 197860), (2, 98930), (4, 49465), (5, 39572), (10, 19786), (13, 15220), (20, 9893), (26, 7610), (52, 3805), (65, 3044), (130, 1522), (260, 761)]