626220287

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{137}}^1$

素因数の和:296

約数の個数: 64

約数和(自身を含む): 858470400

約数和(自身を除く): 232250113

約数列:

[1, 7, 11, 23, 29, 77, 89, 137, 161, 203, 253, 319, 623, 667, 959, 979, 1507, 1771, 2047, 2233, 2581, 3151, 3973, 4669, 6853, 7337, 10549, 12193, 14329, 18067, 22057, 22517, 27811, 28391, 34661, 43703, 51359, 59363, 85351, 91379, 134123, 157619, 198737, 242627, 280439, 305921, 353597, 415541, 639653, 652993, 938861, 1005169, 1963073, 2475179, 3084829, 3889567, 4570951, 7036183, 8132731, 21593803, 27226969, 56929117, 89460041, 626220287]

約数ペア:

[(1, 626220287), (7, 89460041), (11, 56929117), (23, 27226969), (29, 21593803), (77, 8132731), (89, 7036183), (137, 4570951), (161, 3889567), (203, 3084829), (253, 2475179), (319, 1963073), (623, 1005169), (667, 938861), (959, 652993), (979, 639653), (1507, 415541), (1771, 353597), (2047, 305921), (2233, 280439), (2581, 242627), (3151, 198737), (3973, 157619), (4669, 134123), (6853, 91379), (7337, 85351), (10549, 59363), (12193, 51359), (14329, 43703), (18067, 34661), (22057, 28391), (22517, 27811)]