1809644156905

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{385621}}^1$

素因数の和:385778

約数の個数: 64

約数和(自身を含む): 2531259827712

約数和(自身を除く): 721615670807

約数列:

[1, 5, 13, 23, 43, 65, 73, 115, 215, 299, 365, 559, 949, 989, 1495, 1679, 2795, 3139, 4745, 4945, 8395, 12857, 15695, 21827, 40807, 64285, 72197, 109135, 204035, 360985, 385621, 938561, 1928105, 4692805, 5013073, 8869283, 16581703, 25065365, 28150333, 44346415, 82908515, 115300679, 140751665, 215562139, 365954329, 381379169, 576503395, 647457659, 1077810695, 1210464319, 1829771645, 1906895845, 3237288295, 4957929197, 6052321595, 8416949567, 15736036147, 24789645985, 27840679337, 42084747835, 78680180735, 139203396685, 361928831381, 1809644156905]

約数ペア:

[(1, 1809644156905), (5, 361928831381), (13, 139203396685), (23, 78680180735), (43, 42084747835), (65, 27840679337), (73, 24789645985), (115, 15736036147), (215, 8416949567), (299, 6052321595), (365, 4957929197), (559, 3237288295), (949, 1906895845), (989, 1829771645), (1495, 1210464319), (1679, 1077810695), (2795, 647457659), (3139, 576503395), (4745, 381379169), (4945, 365954329), (8395, 215562139), (12857, 140751665), (15695, 115300679), (21827, 82908515), (40807, 44346415), (64285, 28150333), (72197, 25065365), (109135, 16581703), (204035, 8869283), (360985, 5013073), (385621, 4692805), (938561, 1928105)]