138657974

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{83}}^1\times {\mathrm{137}}^1$

素因数の和:309

約数の個数: 64

約数和(自身を含む): 264854016

約数和(自身を除く): 126196042

約数列:

[1, 2, 7, 13, 14, 26, 67, 83, 91, 134, 137, 166, 182, 274, 469, 581, 871, 938, 959, 1079, 1162, 1742, 1781, 1918, 2158, 3562, 5561, 6097, 7553, 9179, 11122, 11371, 12194, 12467, 15106, 18358, 22742, 24934, 38927, 64253, 72293, 77854, 79597, 119327, 128506, 144586, 147823, 159194, 238654, 295646, 506051, 761857, 835289, 1012102, 1034761, 1523714, 1670578, 2069522, 5332999, 9904141, 10665998, 19808282, 69328987, 138657974]

約数ペア:

[(1, 138657974), (2, 69328987), (7, 19808282), (13, 10665998), (14, 9904141), (26, 5332999), (67, 2069522), (83, 1670578), (91, 1523714), (134, 1034761), (137, 1012102), (166, 835289), (182, 761857), (274, 506051), (469, 295646), (581, 238654), (871, 159194), (938, 147823), (959, 144586), (1079, 128506), (1162, 119327), (1742, 79597), (1781, 77854), (1918, 72293), (2158, 64253), (3562, 38927), (5561, 24934), (6097, 22742), (7553, 18358), (9179, 15106), (11122, 12467), (11371, 12194)]