28657231722

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{359}}^1\times {\mathrm{8923}}^1$

素因数の和:9368

約数の個数: 96

約数和(自身を含む): 72168744960

約数和(自身を除く): 43511513238

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 71, 126, 142, 213, 359, 426, 497, 639, 718, 994, 1077, 1278, 1491, 2154, 2513, 2982, 3231, 4473, 5026, 6462, 7539, 8923, 8946, 15078, 17846, 22617, 25489, 26769, 45234, 50978, 53538, 62461, 76467, 80307, 124922, 152934, 160614, 178423, 187383, 229401, 356846, 374766, 458802, 535269, 562149, 633533, 1070538, 1124298, 1267066, 1605807, 1900599, 3203357, 3211614, 3801198, 4434731, 5701797, 6406714, 8869462, 9610071, 11403594, 13304193, 19220142, 22423499, 26608386, 28830213, 39912579, 44846998, 57660426, 67270497, 79825158, 134540994, 201811491, 227438347, 403622982, 454876694, 682315041, 1364630082, 1592068429, 2046945123, 3184136858, 4093890246, 4776205287, 9552410574, 14328615861, 28657231722]

約数ペア:

[(1, 28657231722), (2, 14328615861), (3, 9552410574), (6, 4776205287), (7, 4093890246), (9, 3184136858), (14, 2046945123), (18, 1592068429), (21, 1364630082), (42, 682315041), (63, 454876694), (71, 403622982), (126, 227438347), (142, 201811491), (213, 134540994), (359, 79825158), (426, 67270497), (497, 57660426), (639, 44846998), (718, 39912579), (994, 28830213), (1077, 26608386), (1278, 22423499), (1491, 19220142), (2154, 13304193), (2513, 11403594), (2982, 9610071), (3231, 8869462), (4473, 6406714), (5026, 5701797), (6462, 4434731), (7539, 3801198), (8923, 3211614), (8946, 3203357), (15078, 1900599), (17846, 1605807), (22617, 1267066), (25489, 1124298), (26769, 1070538), (45234, 633533), (50978, 562149), (53538, 535269), (62461, 458802), (76467, 374766), (80307, 356846), (124922, 229401), (152934, 187383), (160614, 178423)]