81861328

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{151}}^1\times {\mathrm{1093}}^1$

素因数の和:1283

約数の個数: 40

約数和(自身を含む): 164957696

約数和(自身を除く): 83096368

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 151, 248, 302, 496, 604, 1093, 1208, 2186, 2416, 4372, 4681, 8744, 9362, 17488, 18724, 33883, 37448, 67766, 74896, 135532, 165043, 271064, 330086, 542128, 660172, 1320344, 2640688, 5116333, 10232666, 20465332, 40930664, 81861328]

約数ペア:

[(1, 81861328), (2, 40930664), (4, 20465332), (8, 10232666), (16, 5116333), (31, 2640688), (62, 1320344), (124, 660172), (151, 542128), (248, 330086), (302, 271064), (496, 165043), (604, 135532), (1093, 74896), (1208, 67766), (2186, 37448), (2416, 33883), (4372, 18724), (4681, 17488), (8744, 9362)]