2019167423

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{97}}^1\times {\mathrm{157}}^1$

素因数の和:352

約数の個数: 64

約数和(自身を含む): 2663743488

約数和(自身を除く): 644576065

約数列:

[1, 7, 13, 31, 47, 91, 97, 157, 217, 329, 403, 611, 679, 1099, 1261, 1457, 2041, 2821, 3007, 4277, 4559, 4867, 7379, 8827, 10199, 14287, 15229, 18941, 21049, 31913, 34069, 39091, 51653, 59267, 63271, 95927, 106603, 132587, 141329, 197977, 228749, 273637, 414869, 442897, 472099, 671489, 715763, 989303, 1385839, 1601243, 1837277, 2973737, 3304693, 5010341, 6137287, 9304919, 12860939, 20816159, 22188653, 42961009, 65134433, 155320571, 288452489, 2019167423]

約数ペア:

[(1, 2019167423), (7, 288452489), (13, 155320571), (31, 65134433), (47, 42961009), (91, 22188653), (97, 20816159), (157, 12860939), (217, 9304919), (329, 6137287), (403, 5010341), (611, 3304693), (679, 2973737), (1099, 1837277), (1261, 1601243), (1457, 1385839), (2041, 989303), (2821, 715763), (3007, 671489), (4277, 472099), (4559, 442897), (4867, 414869), (7379, 273637), (8827, 228749), (10199, 197977), (14287, 141329), (15229, 132587), (18941, 106603), (21049, 95927), (31913, 63271), (34069, 59267), (39091, 51653)]