161607768

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{197}}^1\times {\mathrm{257}}^1$

素因数の和:489

約数の個数: 128

約数和(自身を含む): 490406400

約数和(自身を除く): 328798632

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 19, 21, 24, 28, 38, 42, 56, 57, 76, 84, 114, 133, 152, 168, 197, 228, 257, 266, 394, 399, 456, 514, 532, 591, 771, 788, 798, 1028, 1064, 1182, 1379, 1542, 1576, 1596, 1799, 2056, 2364, 2758, 3084, 3192, 3598, 3743, 4137, 4728, 4883, 5397, 5516, 6168, 7196, 7486, 8274, 9766, 10794, 11032, 11229, 14392, 14649, 14972, 16548, 19532, 21588, 22458, 26201, 29298, 29944, 33096, 34181, 39064, 43176, 44916, 50629, 52402, 58596, 68362, 78603, 89832, 101258, 102543, 104804, 117192, 136724, 151887, 157206, 202516, 205086, 209608, 273448, 303774, 314412, 354403, 405032, 410172, 607548, 628824, 708806, 820344, 961951, 1063209, 1215096, 1417612, 1923902, 2126418, 2835224, 2885853, 3847804, 4252836, 5771706, 6733657, 7695608, 8505672, 11543412, 13467314, 20200971, 23086824, 26934628, 40401942, 53869256, 80803884, 161607768]

約数ペア:

[(1, 161607768), (2, 80803884), (3, 53869256), (4, 40401942), (6, 26934628), (7, 23086824), (8, 20200971), (12, 13467314), (14, 11543412), (19, 8505672), (21, 7695608), (24, 6733657), (28, 5771706), (38, 4252836), (42, 3847804), (56, 2885853), (57, 2835224), (76, 2126418), (84, 1923902), (114, 1417612), (133, 1215096), (152, 1063209), (168, 961951), (197, 820344), (228, 708806), (257, 628824), (266, 607548), (394, 410172), (399, 405032), (456, 354403), (514, 314412), (532, 303774), (591, 273448), (771, 209608), (788, 205086), (798, 202516), (1028, 157206), (1064, 151887), (1182, 136724), (1379, 117192), (1542, 104804), (1576, 102543), (1596, 101258), (1799, 89832), (2056, 78603), (2364, 68362), (2758, 58596), (3084, 52402), (3192, 50629), (3598, 44916), (3743, 43176), (4137, 39064), (4728, 34181), (4883, 33096), (5397, 29944), (5516, 29298), (6168, 26201), (7196, 22458), (7486, 21588), (8274, 19532), (9766, 16548), (10794, 14972), (11032, 14649), (11229, 14392)]