64470868

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{1759}}^1$

素因数の和:1805

約数の個数: 72

約数和(自身を含む): 151683840

約数和(自身を除く): 87212972

約数列:

[1, 2, 4, 7, 11, 14, 17, 22, 28, 34, 44, 49, 68, 77, 98, 119, 154, 187, 196, 238, 308, 374, 476, 539, 748, 833, 1078, 1309, 1666, 1759, 2156, 2618, 3332, 3518, 5236, 7036, 9163, 12313, 18326, 19349, 24626, 29903, 36652, 38698, 49252, 59806, 77396, 86191, 119612, 135443, 172382, 209321, 270886, 328933, 344764, 418642, 541772, 657866, 837284, 948101, 1315732, 1465247, 1896202, 2302531, 2930494, 3792404, 4605062, 5860988, 9210124, 16117717, 32235434, 64470868]

約数ペア:

[(1, 64470868), (2, 32235434), (4, 16117717), (7, 9210124), (11, 5860988), (14, 4605062), (17, 3792404), (22, 2930494), (28, 2302531), (34, 1896202), (44, 1465247), (49, 1315732), (68, 948101), (77, 837284), (98, 657866), (119, 541772), (154, 418642), (187, 344764), (196, 328933), (238, 270886), (308, 209321), (374, 172382), (476, 135443), (539, 119612), (748, 86191), (833, 77396), (1078, 59806), (1309, 49252), (1666, 38698), (1759, 36652), (2156, 29903), (2618, 24626), (3332, 19349), (3518, 18326), (5236, 12313), (7036, 9163)]