1655996888

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{109}}^1\times {\mathrm{509}}^1$

素因数の和:685

約数の個数: 128

約数和(自身を含む): 3958416000

約数和(自身を除く): 2302419112

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 41, 52, 56, 82, 91, 104, 109, 164, 182, 218, 287, 328, 364, 436, 509, 533, 574, 728, 763, 872, 1018, 1066, 1148, 1417, 1526, 2036, 2132, 2296, 2834, 3052, 3563, 3731, 4072, 4264, 4469, 5668, 6104, 6617, 7126, 7462, 8938, 9919, 11336, 13234, 14252, 14924, 17876, 19838, 20869, 26468, 28504, 29848, 31283, 35752, 39676, 41738, 46319, 52936, 55481, 58097, 62566, 79352, 83476, 92638, 110962, 116194, 125132, 146083, 166952, 185276, 221924, 232388, 250264, 271297, 292166, 370552, 388367, 406679, 443848, 464776, 542594, 584332, 721253, 776734, 813358, 1085188, 1168664, 1442506, 1553468, 1626716, 1899079, 2170376, 2274721, 2885012, 3106936, 3253432, 3798158, 4549442, 5048771, 5770024, 7596316, 9098884, 10097542, 15192632, 15923047, 18197768, 20195084, 29571373, 31846094, 40390168, 59142746, 63692188, 118285492, 127384376, 206999611, 236570984, 413999222, 827998444, 1655996888]

約数ペア:

[(1, 1655996888), (2, 827998444), (4, 413999222), (7, 236570984), (8, 206999611), (13, 127384376), (14, 118285492), (26, 63692188), (28, 59142746), (41, 40390168), (52, 31846094), (56, 29571373), (82, 20195084), (91, 18197768), (104, 15923047), (109, 15192632), (164, 10097542), (182, 9098884), (218, 7596316), (287, 5770024), (328, 5048771), (364, 4549442), (436, 3798158), (509, 3253432), (533, 3106936), (574, 2885012), (728, 2274721), (763, 2170376), (872, 1899079), (1018, 1626716), (1066, 1553468), (1148, 1442506), (1417, 1168664), (1526, 1085188), (2036, 813358), (2132, 776734), (2296, 721253), (2834, 584332), (3052, 542594), (3563, 464776), (3731, 443848), (4072, 406679), (4264, 388367), (4469, 370552), (5668, 292166), (6104, 271297), (6617, 250264), (7126, 232388), (7462, 221924), (8938, 185276), (9919, 166952), (11336, 146083), (13234, 125132), (14252, 116194), (14924, 110962), (17876, 92638), (19838, 83476), (20869, 79352), (26468, 62566), (28504, 58097), (29848, 55481), (31283, 52936), (35752, 46319), (39676, 41738)]