161921344

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{10243}}^1$

素因数の和:10287

約数の個数: 56

約数和(自身を含む): 364276640

約数和(自身を除く): 202355296

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 32, 38, 52, 64, 76, 104, 152, 208, 247, 304, 416, 494, 608, 832, 988, 1216, 1976, 3952, 7904, 10243, 15808, 20486, 40972, 81944, 133159, 163888, 194617, 266318, 327776, 389234, 532636, 655552, 778468, 1065272, 1556936, 2130544, 2530021, 3113872, 4261088, 5060042, 6227744, 8522176, 10120084, 12455488, 20240168, 40480336, 80960672, 161921344]

約数ペア:

[(1, 161921344), (2, 80960672), (4, 40480336), (8, 20240168), (13, 12455488), (16, 10120084), (19, 8522176), (26, 6227744), (32, 5060042), (38, 4261088), (52, 3113872), (64, 2530021), (76, 2130544), (104, 1556936), (152, 1065272), (208, 778468), (247, 655552), (304, 532636), (416, 389234), (494, 327776), (608, 266318), (832, 194617), (988, 163888), (1216, 133159), (1976, 81944), (3952, 40972), (7904, 20486), (10243, 15808)]