2551622619

素因数分解:

$3^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1$

素因数の和:210

約数の個数: 128

約数和(自身を含む): 4499712000

約数和(自身を除く): 1948089381

約数列:

[1, 3, 7, 13, 21, 39, 49, 53, 59, 61, 91, 147, 159, 177, 183, 273, 343, 371, 413, 427, 637, 689, 767, 793, 1029, 1113, 1239, 1281, 1911, 2067, 2301, 2379, 2597, 2891, 2989, 3127, 3233, 3599, 4459, 4823, 5369, 5551, 7791, 8673, 8967, 9381, 9699, 10797, 13377, 14469, 16107, 16653, 18179, 20237, 20923, 21889, 22631, 25193, 33761, 37583, 38857, 40651, 42029, 46787, 54537, 60711, 62769, 65667, 67893, 75579, 101283, 112749, 116571, 121953, 126087, 140361, 153223, 158417, 176351, 190747, 236327, 263081, 271999, 284557, 294203, 327509, 459669, 475251, 529053, 572241, 708981, 789243, 815997, 853671, 882609, 982527, 1072561, 1108919, 1234457, 1335229, 1991899, 2059421, 2292563, 2479711, 3217683, 3326757, 3703371, 4005687, 5975697, 6178263, 6877689, 7439133, 9346603, 13943293, 14415947, 16047941, 17357977, 28039809, 41829879, 43247841, 48143823, 52073931, 65426221, 121505839, 196278663, 364517517, 850540873, 2551622619]

約数ペア:

[(1, 2551622619), (3, 850540873), (7, 364517517), (13, 196278663), (21, 121505839), (39, 65426221), (49, 52073931), (53, 48143823), (59, 43247841), (61, 41829879), (91, 28039809), (147, 17357977), (159, 16047941), (177, 14415947), (183, 13943293), (273, 9346603), (343, 7439133), (371, 6877689), (413, 6178263), (427, 5975697), (637, 4005687), (689, 3703371), (767, 3326757), (793, 3217683), (1029, 2479711), (1113, 2292563), (1239, 2059421), (1281, 1991899), (1911, 1335229), (2067, 1234457), (2301, 1108919), (2379, 1072561), (2597, 982527), (2891, 882609), (2989, 853671), (3127, 815997), (3233, 789243), (3599, 708981), (4459, 572241), (4823, 529053), (5369, 475251), (5551, 459669), (7791, 327509), (8673, 294203), (8967, 284557), (9381, 271999), (9699, 263081), (10797, 236327), (13377, 190747), (14469, 176351), (16107, 158417), (16653, 153223), (18179, 140361), (20237, 126087), (20923, 121953), (21889, 116571), (22631, 112749), (25193, 101283), (33761, 75579), (37583, 67893), (38857, 65667), (40651, 62769), (42029, 60711), (46787, 54537)]