81788958

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{379}}^1\times {\mathrm{631}}^1$

素因数の和:1037

約数の個数: 48

約数和(自身を含む): 187324800

約数和(自身を除く): 105535842

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 114, 171, 342, 379, 631, 758, 1137, 1262, 1893, 2274, 3411, 3786, 5679, 6822, 7201, 11358, 11989, 14402, 21603, 23978, 35967, 43206, 64809, 71934, 107901, 129618, 215802, 239149, 478298, 717447, 1434894, 2152341, 4304682, 4543831, 9087662, 13631493, 27262986, 40894479, 81788958]

約数ペア:

[(1, 81788958), (2, 40894479), (3, 27262986), (6, 13631493), (9, 9087662), (18, 4543831), (19, 4304682), (38, 2152341), (57, 1434894), (114, 717447), (171, 478298), (342, 239149), (379, 215802), (631, 129618), (758, 107901), (1137, 71934), (1262, 64809), (1893, 43206), (2274, 35967), (3411, 23978), (3786, 21603), (5679, 14402), (6822, 11989), (7201, 11358)]