668875778

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{277}}^1$

素因数の和:435

約数の個数: 64

約数和(自身を含む): 1152921600

約数和(自身を除く): 484045822

約数列:

[1, 2, 17, 29, 31, 34, 58, 62, 79, 158, 277, 493, 527, 554, 899, 986, 1054, 1343, 1798, 2291, 2449, 2686, 4582, 4709, 4898, 8033, 8587, 9418, 15283, 16066, 17174, 21883, 30566, 38947, 41633, 43766, 71021, 77894, 83266, 136561, 142042, 145979, 249023, 273122, 291958, 372011, 498046, 634607, 678373, 744022, 1207357, 1269214, 1356746, 2414714, 4233391, 8466782, 10788319, 11532341, 19672817, 21576638, 23064682, 39345634, 334437889, 668875778]

約数ペア:

[(1, 668875778), (2, 334437889), (17, 39345634), (29, 23064682), (31, 21576638), (34, 19672817), (58, 11532341), (62, 10788319), (79, 8466782), (158, 4233391), (277, 2414714), (493, 1356746), (527, 1269214), (554, 1207357), (899, 744022), (986, 678373), (1054, 634607), (1343, 498046), (1798, 372011), (2291, 291958), (2449, 273122), (2686, 249023), (4582, 145979), (4709, 142042), (4898, 136561), (8033, 83266), (8587, 77894), (9418, 71021), (15283, 43766), (16066, 41633), (17174, 38947), (21883, 30566)]