80721828

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{203843}}^1$

素因数の和:203864

約数の個数: 36

約数和(自身を含む): 222597648

約数和(自身を除く): 141875820

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 99, 132, 198, 396, 203843, 407686, 611529, 815372, 1223058, 1834587, 2242273, 2446116, 3669174, 4484546, 6726819, 7338348, 8969092, 13453638, 20180457, 26907276, 40360914, 80721828]

約数ペア:

[(1, 80721828), (2, 40360914), (3, 26907276), (4, 20180457), (6, 13453638), (9, 8969092), (11, 7338348), (12, 6726819), (18, 4484546), (22, 3669174), (33, 2446116), (36, 2242273), (44, 1834587), (66, 1223058), (99, 815372), (132, 611529), (198, 407686), (396, 203843)]