81298454

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{317}}^1\times {\mathrm{397}}^1$

素因数の和:752

約数の個数: 32

約数和(自身を含む): 136689120

約数和(自身を除く): 55390666

約数列:

[1, 2, 17, 19, 34, 38, 317, 323, 397, 634, 646, 794, 5389, 6023, 6749, 7543, 10778, 12046, 13498, 15086, 102391, 125849, 128231, 204782, 251698, 256462, 2139433, 2391131, 4278866, 4782262, 40649227, 81298454]

約数ペア:

[(1, 81298454), (2, 40649227), (17, 4782262), (19, 4278866), (34, 2391131), (38, 2139433), (317, 256462), (323, 251698), (397, 204782), (634, 128231), (646, 125849), (794, 102391), (5389, 15086), (6023, 13498), (6749, 12046), (7543, 10778)]