161955976

素因数分解:

$2^3\times 7^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{521}}^1$

素因数の和:615

約数の個数: 96

約数和(自身を含む): 387397080

約数和(自身を除く): 225441104

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 49, 52, 56, 61, 91, 98, 104, 122, 182, 196, 244, 364, 392, 427, 488, 521, 637, 728, 793, 854, 1042, 1274, 1586, 1708, 2084, 2548, 2989, 3172, 3416, 3647, 4168, 5096, 5551, 5978, 6344, 6773, 7294, 11102, 11956, 13546, 14588, 22204, 23912, 25529, 27092, 29176, 31781, 38857, 44408, 47411, 51058, 54184, 63562, 77714, 94822, 102116, 127124, 155428, 189644, 204232, 222467, 254248, 310856, 331877, 379288, 413153, 444934, 663754, 826306, 889868, 1327508, 1557269, 1652612, 1779736, 2655016, 2892071, 3114538, 3305224, 5784142, 6229076, 11568284, 12458152, 20244497, 23136568, 40488994, 80977988, 161955976]

約数ペア:

[(1, 161955976), (2, 80977988), (4, 40488994), (7, 23136568), (8, 20244497), (13, 12458152), (14, 11568284), (26, 6229076), (28, 5784142), (49, 3305224), (52, 3114538), (56, 2892071), (61, 2655016), (91, 1779736), (98, 1652612), (104, 1557269), (122, 1327508), (182, 889868), (196, 826306), (244, 663754), (364, 444934), (392, 413153), (427, 379288), (488, 331877), (521, 310856), (637, 254248), (728, 222467), (793, 204232), (854, 189644), (1042, 155428), (1274, 127124), (1586, 102116), (1708, 94822), (2084, 77714), (2548, 63562), (2989, 54184), (3172, 51058), (3416, 47411), (3647, 44408), (4168, 38857), (5096, 31781), (5551, 29176), (5978, 27092), (6344, 25529), (6773, 23912), (7294, 22204), (11102, 14588), (11956, 13546)]