81156736

素因数分解:

$2^7\times {\mathrm{83}}^1\times {\mathrm{7639}}^1$

素因数の和:7736

約数の個数: 32

約数和(自身を含む): 163648800

約数和(自身を除く): 82492064

約数列:

[1, 2, 4, 8, 16, 32, 64, 83, 128, 166, 332, 664, 1328, 2656, 5312, 7639, 10624, 15278, 30556, 61112, 122224, 244448, 488896, 634037, 977792, 1268074, 2536148, 5072296, 10144592, 20289184, 40578368, 81156736]

約数ペア:

[(1, 81156736), (2, 40578368), (4, 20289184), (8, 10144592), (16, 5072296), (32, 2536148), (64, 1268074), (83, 977792), (128, 634037), (166, 488896), (332, 244448), (664, 122224), (1328, 61112), (2656, 30556), (5312, 15278), (7639, 10624)]