648344676

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{443}}^1$

素因数の和:614

約数の個数: 144

約数和(自身を含む): 1870767360

約数和(自身を除く): 1222422684

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 19, 21, 28, 38, 42, 49, 57, 76, 84, 98, 114, 131, 133, 147, 196, 228, 262, 266, 294, 393, 399, 443, 524, 532, 588, 786, 798, 886, 917, 931, 1329, 1572, 1596, 1772, 1834, 1862, 2489, 2658, 2751, 2793, 3101, 3668, 3724, 4978, 5316, 5502, 5586, 6202, 6419, 7467, 8417, 9303, 9956, 11004, 11172, 12404, 12838, 14934, 16834, 17423, 18606, 19257, 21707, 25251, 25676, 29868, 33668, 34846, 37212, 38514, 43414, 50502, 52269, 58033, 58919, 65121, 69692, 77028, 86828, 101004, 104538, 116066, 117838, 121961, 130242, 174099, 176757, 209076, 232132, 235676, 243922, 260484, 348198, 353514, 365883, 406231, 412433, 487844, 696396, 707028, 731766, 812462, 824866, 1102627, 1218693, 1237299, 1463532, 1624924, 1649732, 2205254, 2437386, 2474598, 2843617, 3307881, 4410508, 4874772, 4949196, 5687234, 6615762, 7718389, 8530851, 11374468, 13231524, 15436778, 17061702, 23155167, 30873556, 34123404, 46310334, 54028723, 92620668, 108057446, 162086169, 216114892, 324172338, 648344676]

約数ペア:

[(1, 648344676), (2, 324172338), (3, 216114892), (4, 162086169), (6, 108057446), (7, 92620668), (12, 54028723), (14, 46310334), (19, 34123404), (21, 30873556), (28, 23155167), (38, 17061702), (42, 15436778), (49, 13231524), (57, 11374468), (76, 8530851), (84, 7718389), (98, 6615762), (114, 5687234), (131, 4949196), (133, 4874772), (147, 4410508), (196, 3307881), (228, 2843617), (262, 2474598), (266, 2437386), (294, 2205254), (393, 1649732), (399, 1624924), (443, 1463532), (524, 1237299), (532, 1218693), (588, 1102627), (786, 824866), (798, 812462), (886, 731766), (917, 707028), (931, 696396), (1329, 487844), (1572, 412433), (1596, 406231), (1772, 365883), (1834, 353514), (1862, 348198), (2489, 260484), (2658, 243922), (2751, 235676), (2793, 232132), (3101, 209076), (3668, 176757), (3724, 174099), (4978, 130242), (5316, 121961), (5502, 117838), (5586, 116066), (6202, 104538), (6419, 101004), (7467, 86828), (8417, 77028), (9303, 69692), (9956, 65121), (11004, 58919), (11172, 58033), (12404, 52269), (12838, 50502), (14934, 43414), (16834, 38514), (17423, 37212), (18606, 34846), (19257, 33668), (21707, 29868), (25251, 25676)]