2013981918

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{211}}^1\times {\mathrm{1549}}^1$

素因数の和:1857

約数の個数: 64

約数和(自身を含む): 4416384000

約数和(自身を除く): 2402402082

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 79, 158, 211, 237, 422, 474, 633, 1027, 1266, 1549, 2054, 2743, 3081, 3098, 4647, 5486, 6162, 8229, 9294, 16458, 16669, 20137, 33338, 40274, 50007, 60411, 100014, 120822, 122371, 216697, 244742, 326839, 367113, 433394, 650091, 653678, 734226, 980517, 1300182, 1590823, 1961034, 3181646, 4248907, 4772469, 8497814, 9544938, 12746721, 25493442, 25820281, 51640562, 77460843, 154921686, 335663653, 671327306, 1006990959, 2013981918]

約数ペア:

[(1, 2013981918), (2, 1006990959), (3, 671327306), (6, 335663653), (13, 154921686), (26, 77460843), (39, 51640562), (78, 25820281), (79, 25493442), (158, 12746721), (211, 9544938), (237, 8497814), (422, 4772469), (474, 4248907), (633, 3181646), (1027, 1961034), (1266, 1590823), (1549, 1300182), (2054, 980517), (2743, 734226), (3081, 653678), (3098, 650091), (4647, 433394), (5486, 367113), (6162, 326839), (8229, 244742), (9294, 216697), (16458, 122371), (16669, 120822), (20137, 100014), (33338, 60411), (40274, 50007)]