168996770

素因数分解:

$2^1\times 5^1\times {\mathrm{163}}^1\times {\mathrm{199}}^1\times {\mathrm{521}}^1$

素因数の和:890

約数の個数: 32

約数和(自身を含む): 308188800

約数和(自身を除く): 139192030

約数列:

[1, 2, 5, 10, 163, 199, 326, 398, 521, 815, 995, 1042, 1630, 1990, 2605, 5210, 32437, 64874, 84923, 103679, 162185, 169846, 207358, 324370, 424615, 518395, 849230, 1036790, 16899677, 33799354, 84498385, 168996770]

約数ペア:

[(1, 168996770), (2, 84498385), (5, 33799354), (10, 16899677), (163, 1036790), (199, 849230), (326, 518395), (398, 424615), (521, 324370), (815, 207358), (995, 169846), (1042, 162185), (1630, 103679), (1990, 84923), (2605, 64874), (5210, 32437)]