251016486

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{139}}^1$

素因数の和:274

約数の個数: 128

約数和(自身を含む): 636518400

約数和(自身を除く): 385501914

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 31, 38, 42, 57, 62, 73, 93, 114, 133, 139, 146, 186, 217, 219, 266, 278, 399, 417, 434, 438, 511, 589, 651, 798, 834, 973, 1022, 1178, 1302, 1387, 1533, 1767, 1946, 2263, 2641, 2774, 2919, 3066, 3534, 4123, 4161, 4309, 4526, 5282, 5838, 6789, 7923, 8246, 8322, 8618, 9709, 10147, 12369, 12927, 13578, 15841, 15846, 18487, 19418, 20294, 24738, 25854, 29127, 30163, 30441, 31682, 36974, 42997, 47523, 55461, 58254, 60326, 60882, 71029, 81871, 85994, 90489, 95046, 110922, 128991, 142058, 163742, 180978, 192793, 213087, 245613, 257982, 300979, 314557, 385586, 426174, 491226, 573097, 578379, 601958, 629114, 902937, 943671, 1146194, 1156758, 1349551, 1719291, 1805874, 1887342, 2201899, 2699102, 3438582, 4048653, 4403798, 5976583, 6605697, 8097306, 11953166, 13211394, 17929749, 35859498, 41836081, 83672162, 125508243, 251016486]

約数ペア:

[(1, 251016486), (2, 125508243), (3, 83672162), (6, 41836081), (7, 35859498), (14, 17929749), (19, 13211394), (21, 11953166), (31, 8097306), (38, 6605697), (42, 5976583), (57, 4403798), (62, 4048653), (73, 3438582), (93, 2699102), (114, 2201899), (133, 1887342), (139, 1805874), (146, 1719291), (186, 1349551), (217, 1156758), (219, 1146194), (266, 943671), (278, 902937), (399, 629114), (417, 601958), (434, 578379), (438, 573097), (511, 491226), (589, 426174), (651, 385586), (798, 314557), (834, 300979), (973, 257982), (1022, 245613), (1178, 213087), (1302, 192793), (1387, 180978), (1533, 163742), (1767, 142058), (1946, 128991), (2263, 110922), (2641, 95046), (2774, 90489), (2919, 85994), (3066, 81871), (3534, 71029), (4123, 60882), (4161, 60326), (4309, 58254), (4526, 55461), (5282, 47523), (5838, 42997), (6789, 36974), (7923, 31682), (8246, 30441), (8322, 30163), (8618, 29127), (9709, 25854), (10147, 24738), (12369, 20294), (12927, 19418), (13578, 18487), (15841, 15846)]