161420896

素因数分解:

$2^5\times 7^2\times {\mathrm{13}}^1\times {\mathrm{7919}}^1$

素因数の和:7956

約数の個数: 72

約数和(自身を含む): 398170080

約数和(自身を除く): 236749184

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 49, 52, 56, 91, 98, 104, 112, 182, 196, 208, 224, 364, 392, 416, 637, 728, 784, 1274, 1456, 1568, 2548, 2912, 5096, 7919, 10192, 15838, 20384, 31676, 55433, 63352, 102947, 110866, 126704, 205894, 221732, 253408, 388031, 411788, 443464, 720629, 776062, 823576, 886928, 1441258, 1552124, 1647152, 1773856, 2882516, 3104248, 3294304, 5044403, 5765032, 6208496, 10088806, 11530064, 12416992, 20177612, 23060128, 40355224, 80710448, 161420896]

約数ペア:

[(1, 161420896), (2, 80710448), (4, 40355224), (7, 23060128), (8, 20177612), (13, 12416992), (14, 11530064), (16, 10088806), (26, 6208496), (28, 5765032), (32, 5044403), (49, 3294304), (52, 3104248), (56, 2882516), (91, 1773856), (98, 1647152), (104, 1552124), (112, 1441258), (182, 886928), (196, 823576), (208, 776062), (224, 720629), (364, 443464), (392, 411788), (416, 388031), (637, 253408), (728, 221732), (784, 205894), (1274, 126704), (1456, 110866), (1568, 102947), (2548, 63352), (2912, 55433), (5096, 31676), (7919, 20384), (10192, 15838)]