2138656

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{97}}^1$

素因数の和:173

約数の個数: 48

約数和(自身を含む): 4667544

約数和(自身を除く): 2528888

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 53, 97, 104, 106, 194, 208, 212, 388, 416, 424, 689, 776, 848, 1261, 1378, 1552, 1696, 2522, 2756, 3104, 5044, 5141, 5512, 10088, 10282, 11024, 20176, 20564, 22048, 40352, 41128, 66833, 82256, 133666, 164512, 267332, 534664, 1069328, 2138656]

約数ペア:

[(1, 2138656), (2, 1069328), (4, 534664), (8, 267332), (13, 164512), (16, 133666), (26, 82256), (32, 66833), (52, 41128), (53, 40352), (97, 22048), (104, 20564), (106, 20176), (194, 11024), (208, 10282), (212, 10088), (388, 5512), (416, 5141), (424, 5044), (689, 3104), (776, 2756), (848, 2522), (1261, 1696), (1378, 1552)]