28260698

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{509}}^1$

素因数の和:622

約数の個数: 32

約数和(自身を含む): 47589120

約数和(自身を除く): 19328422

約数列:

[1, 2, 17, 23, 34, 46, 71, 142, 391, 509, 782, 1018, 1207, 1633, 2414, 3266, 8653, 11707, 17306, 23414, 27761, 36139, 55522, 72278, 199019, 398038, 614363, 831197, 1228726, 1662394, 14130349, 28260698]

約数ペア:

[(1, 28260698), (2, 14130349), (17, 1662394), (23, 1228726), (34, 831197), (46, 614363), (71, 398038), (142, 199019), (391, 72278), (509, 55522), (782, 36139), (1018, 27761), (1207, 23414), (1633, 17306), (2414, 11707), (3266, 8653)]