665135584

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{20641}}^1$

素因数の和:20723

約数の個数: 48

約数和(自身を含む): 1404481680

約数和(自身を除く): 739346096

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 53, 76, 106, 152, 212, 304, 424, 608, 848, 1007, 1696, 2014, 4028, 8056, 16112, 20641, 32224, 41282, 82564, 165128, 330256, 392179, 660512, 784358, 1093973, 1568716, 2187946, 3137432, 4375892, 6274864, 8751784, 12549728, 17503568, 20785487, 35007136, 41570974, 83141948, 166283896, 332567792, 665135584]

約数ペア:

[(1, 665135584), (2, 332567792), (4, 166283896), (8, 83141948), (16, 41570974), (19, 35007136), (32, 20785487), (38, 17503568), (53, 12549728), (76, 8751784), (106, 6274864), (152, 4375892), (212, 3137432), (304, 2187946), (424, 1568716), (608, 1093973), (848, 784358), (1007, 660512), (1696, 392179), (2014, 330256), (4028, 165128), (8056, 82564), (16112, 41282), (20641, 32224)]