81601856

素因数分解:

$2^6\times 7^2\times {\mathrm{26021}}^1$

素因数の和:26047

約数の個数: 42

約数和(自身を含む): 188373258

約数和(自身を除く): 106771402

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 196, 224, 392, 448, 784, 1568, 3136, 26021, 52042, 104084, 182147, 208168, 364294, 416336, 728588, 832672, 1275029, 1457176, 1665344, 2550058, 2914352, 5100116, 5828704, 10200232, 11657408, 20400464, 40800928, 81601856]

約数ペア:

[(1, 81601856), (2, 40800928), (4, 20400464), (7, 11657408), (8, 10200232), (14, 5828704), (16, 5100116), (28, 2914352), (32, 2550058), (49, 1665344), (56, 1457176), (64, 1275029), (98, 832672), (112, 728588), (196, 416336), (224, 364294), (392, 208168), (448, 182147), (784, 104084), (1568, 52042), (3136, 26021)]