61980812

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{42923}}^1$

素因数の和:42965

約数の個数: 18

約数和(自身を含む): 114478308

約数和(自身を除く): 52497496

約数列:

[1, 2, 4, 19, 38, 76, 361, 722, 1444, 42923, 85846, 171692, 815537, 1631074, 3262148, 15495203, 30990406, 61980812]

約数ペア:

[(1, 61980812), (2, 30990406), (4, 15495203), (19, 3262148), (38, 1631074), (76, 815537), (361, 171692), (722, 85846), (1444, 42923)]