1640802798

素因数分解:

$2^1\times 3^3\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{23869}}^1$

素因数の和:23966

約数の個数: 64

約数和(自身を含む): 3895584000

約数和(自身を除く): 2254781202

約数列:

[1, 2, 3, 6, 9, 18, 19, 27, 38, 54, 57, 67, 114, 134, 171, 201, 342, 402, 513, 603, 1026, 1206, 1273, 1809, 2546, 3618, 3819, 7638, 11457, 22914, 23869, 34371, 47738, 68742, 71607, 143214, 214821, 429642, 453511, 644463, 907022, 1288926, 1360533, 1599223, 2721066, 3198446, 4081599, 4797669, 8163198, 9595338, 12244797, 14393007, 24489594, 28786014, 30385237, 43179021, 60770474, 86358042, 91155711, 182311422, 273467133, 546934266, 820401399, 1640802798]

約数ペア:

[(1, 1640802798), (2, 820401399), (3, 546934266), (6, 273467133), (9, 182311422), (18, 91155711), (19, 86358042), (27, 60770474), (38, 43179021), (54, 30385237), (57, 28786014), (67, 24489594), (114, 14393007), (134, 12244797), (171, 9595338), (201, 8163198), (342, 4797669), (402, 4081599), (513, 3198446), (603, 2721066), (1026, 1599223), (1206, 1360533), (1273, 1288926), (1809, 907022), (2546, 644463), (3618, 453511), (3819, 429642), (7638, 214821), (11457, 143214), (22914, 71607), (23869, 68742), (34371, 47738)]