1800965894

素因数分解:

$2^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{1471}}^1$

素因数の和:1562

約数の個数: 72

約数和(自身を含む): 3499300224

約数和(自身を除く): 1698334330

約数列:

[1, 2, 7, 13, 14, 26, 31, 49, 62, 91, 98, 182, 217, 403, 434, 637, 806, 961, 1274, 1471, 1519, 1922, 2821, 2942, 3038, 5642, 6727, 10297, 12493, 13454, 19123, 19747, 20594, 24986, 38246, 39494, 45601, 47089, 72079, 87451, 91202, 94178, 133861, 144158, 174902, 267722, 319207, 592813, 612157, 638414, 937027, 1185626, 1224314, 1413631, 1874054, 2234449, 2827262, 4149691, 4468898, 8299382, 9895417, 18377203, 19790834, 29047837, 36754406, 58095674, 69267919, 128640421, 138535838, 257280842, 900482947, 1800965894]

約数ペア:

[(1, 1800965894), (2, 900482947), (7, 257280842), (13, 138535838), (14, 128640421), (26, 69267919), (31, 58095674), (49, 36754406), (62, 29047837), (91, 19790834), (98, 18377203), (182, 9895417), (217, 8299382), (403, 4468898), (434, 4149691), (637, 2827262), (806, 2234449), (961, 1874054), (1274, 1413631), (1471, 1224314), (1519, 1185626), (1922, 937027), (2821, 638414), (2942, 612157), (3038, 592813), (5642, 319207), (6727, 267722), (10297, 174902), (12493, 144158), (13454, 133861), (19123, 94178), (19747, 91202), (20594, 87451), (24986, 72079), (38246, 47089), (39494, 45601)]