81432784

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{8641}}^1$

素因数の和:8699

約数の個数: 40

約数和(自身を含む): 171457280

約数和(自身を除く): 90024496

約数列:

[1, 2, 4, 8, 16, 19, 31, 38, 62, 76, 124, 152, 248, 304, 496, 589, 1178, 2356, 4712, 8641, 9424, 17282, 34564, 69128, 138256, 164179, 267871, 328358, 535742, 656716, 1071484, 1313432, 2142968, 2626864, 4285936, 5089549, 10179098, 20358196, 40716392, 81432784]

約数ペア:

[(1, 81432784), (2, 40716392), (4, 20358196), (8, 10179098), (16, 5089549), (19, 4285936), (31, 2626864), (38, 2142968), (62, 1313432), (76, 1071484), (124, 656716), (152, 535742), (248, 328358), (304, 267871), (496, 164179), (589, 138256), (1178, 69128), (2356, 34564), (4712, 17282), (8641, 9424)]