1880971514

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{293}}^1\times {\mathrm{991}}^1$

素因数の和:1406

約数の個数: 32

約数和(自身を含む): 2939811840

約数和(自身を除く): 1058840326

約数列:

[1, 2, 41, 79, 82, 158, 293, 586, 991, 1982, 3239, 6478, 12013, 23147, 24026, 40631, 46294, 78289, 81262, 156578, 290363, 580726, 949027, 1898054, 3209849, 6419698, 11904883, 22938677, 23809766, 45877354, 940485757, 1880971514]

約数ペア:

[(1, 1880971514), (2, 940485757), (41, 45877354), (79, 23809766), (82, 22938677), (158, 11904883), (293, 6419698), (586, 3209849), (991, 1898054), (1982, 949027), (3239, 580726), (6478, 290363), (12013, 156578), (23147, 81262), (24026, 78289), (40631, 46294)]