15721497038

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{9973}}^1\times {\mathrm{60631}}^1$

素因数の和:70619

約数の個数: 16

約数和(自身を含む): 25399229856

約数和(自身を除く): 9677732818

約数列:

[1, 2, 13, 26, 9973, 19946, 60631, 121262, 129649, 259298, 788203, 1576406, 604672963, 1209345926, 7860748519, 15721497038]

約数ペア:

[(1, 15721497038), (2, 7860748519), (13, 1209345926), (26, 604672963), (9973, 1576406), (19946, 788203), (60631, 259298), (121262, 129649)]