81163456

素因数分解:

$2^6\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{3719}}^1$

素因数の和:3773

約数の個数: 56

約数和(自身を含む): 181416960

約数和(自身を除く): 100253504

約数列:

[1, 2, 4, 8, 11, 16, 22, 31, 32, 44, 62, 64, 88, 124, 176, 248, 341, 352, 496, 682, 704, 992, 1364, 1984, 2728, 3719, 5456, 7438, 10912, 14876, 21824, 29752, 40909, 59504, 81818, 115289, 119008, 163636, 230578, 238016, 327272, 461156, 654544, 922312, 1268179, 1309088, 1844624, 2536358, 2618176, 3689248, 5072716, 7378496, 10145432, 20290864, 40581728, 81163456]

約数ペア:

[(1, 81163456), (2, 40581728), (4, 20290864), (8, 10145432), (11, 7378496), (16, 5072716), (22, 3689248), (31, 2618176), (32, 2536358), (44, 1844624), (62, 1309088), (64, 1268179), (88, 922312), (124, 654544), (176, 461156), (248, 327272), (341, 238016), (352, 230578), (496, 163636), (682, 119008), (704, 115289), (992, 81818), (1364, 59504), (1984, 40909), (2728, 29752), (3719, 21824), (5456, 14876), (7438, 10912)]