221568256

素因数分解:

$2^8\times 7^1\times {\mathrm{13}}^1\times {\mathrm{9511}}^1$

素因数の和:9547

約数の個数: 72

約数和(自身を含む): 544390784

約数和(自身を除く): 322822528

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 64, 91, 104, 112, 128, 182, 208, 224, 256, 364, 416, 448, 728, 832, 896, 1456, 1664, 1792, 2912, 3328, 5824, 9511, 11648, 19022, 23296, 38044, 66577, 76088, 123643, 133154, 152176, 247286, 266308, 304352, 494572, 532616, 608704, 865501, 989144, 1065232, 1217408, 1731002, 1978288, 2130464, 2434816, 3462004, 3956576, 4260928, 6924008, 7913152, 8521856, 13848016, 15826304, 17043712, 27696032, 31652608, 55392064, 110784128, 221568256]

約数ペア:

[(1, 221568256), (2, 110784128), (4, 55392064), (7, 31652608), (8, 27696032), (13, 17043712), (14, 15826304), (16, 13848016), (26, 8521856), (28, 7913152), (32, 6924008), (52, 4260928), (56, 3956576), (64, 3462004), (91, 2434816), (104, 2130464), (112, 1978288), (128, 1731002), (182, 1217408), (208, 1065232), (224, 989144), (256, 865501), (364, 608704), (416, 532616), (448, 494572), (728, 304352), (832, 266308), (896, 247286), (1456, 152176), (1664, 133154), (1792, 123643), (2912, 76088), (3328, 66577), (5824, 38044), (9511, 23296), (11648, 19022)]