51856168

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{163}}^1$

素因数の和:231

約数の個数: 128

約数和(自身を含む): 132249600

約数和(自身を除く): 80393432

約数列:

[1, 2, 4, 7, 8, 13, 14, 19, 23, 26, 28, 38, 46, 52, 56, 76, 91, 92, 104, 133, 152, 161, 163, 182, 184, 247, 266, 299, 322, 326, 364, 437, 494, 532, 598, 644, 652, 728, 874, 988, 1064, 1141, 1196, 1288, 1304, 1729, 1748, 1976, 2093, 2119, 2282, 2392, 3059, 3097, 3458, 3496, 3749, 4186, 4238, 4564, 5681, 6118, 6194, 6916, 7498, 8372, 8476, 9128, 11362, 12236, 12388, 13832, 14833, 14996, 16744, 16952, 21679, 22724, 24472, 24776, 26243, 29666, 29992, 39767, 40261, 43358, 45448, 48737, 52486, 59332, 71231, 79534, 80522, 86716, 97474, 104972, 118664, 142462, 159068, 161044, 173432, 194948, 209944, 281827, 284924, 318136, 322088, 341159, 389896, 498617, 563654, 569848, 682318, 926003, 997234, 1127308, 1364636, 1852006, 1994468, 2254616, 2729272, 3704012, 3988936, 6482021, 7408024, 12964042, 25928084, 51856168]

約数ペア:

[(1, 51856168), (2, 25928084), (4, 12964042), (7, 7408024), (8, 6482021), (13, 3988936), (14, 3704012), (19, 2729272), (23, 2254616), (26, 1994468), (28, 1852006), (38, 1364636), (46, 1127308), (52, 997234), (56, 926003), (76, 682318), (91, 569848), (92, 563654), (104, 498617), (133, 389896), (152, 341159), (161, 322088), (163, 318136), (182, 284924), (184, 281827), (247, 209944), (266, 194948), (299, 173432), (322, 161044), (326, 159068), (364, 142462), (437, 118664), (494, 104972), (532, 97474), (598, 86716), (644, 80522), (652, 79534), (728, 71231), (874, 59332), (988, 52486), (1064, 48737), (1141, 45448), (1196, 43358), (1288, 40261), (1304, 39767), (1729, 29992), (1748, 29666), (1976, 26243), (2093, 24776), (2119, 24472), (2282, 22724), (2392, 21679), (3059, 16952), (3097, 16744), (3458, 14996), (3496, 14833), (3749, 13832), (4186, 12388), (4238, 12236), (4564, 11362), (5681, 9128), (6118, 8476), (6194, 8372), (6916, 7498)]