81455584

素因数分解:

$2^5\times 7^1\times {\mathrm{19}}^1\times {\mathrm{19139}}^1$

素因数の和:19175

約数の個数: 48

約数和(自身を含む): 192931200

約数和(自身を除く): 111475616

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 32, 38, 56, 76, 112, 133, 152, 224, 266, 304, 532, 608, 1064, 2128, 4256, 19139, 38278, 76556, 133973, 153112, 267946, 306224, 363641, 535892, 612448, 727282, 1071784, 1454564, 2143568, 2545487, 2909128, 4287136, 5090974, 5818256, 10181948, 11636512, 20363896, 40727792, 81455584]

約数ペア:

[(1, 81455584), (2, 40727792), (4, 20363896), (7, 11636512), (8, 10181948), (14, 5818256), (16, 5090974), (19, 4287136), (28, 2909128), (32, 2545487), (38, 2143568), (56, 1454564), (76, 1071784), (112, 727282), (133, 612448), (152, 535892), (224, 363641), (266, 306224), (304, 267946), (532, 153112), (608, 133973), (1064, 76556), (2128, 38278), (4256, 19139)]