168406975

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{167}}^1\times {\mathrm{193}}^1$

素因数の和:400

約数の個数: 48

約数和(自身を含む): 242484480

約数和(自身を除く): 74077505

約数列:

[1, 5, 11, 19, 25, 55, 95, 167, 193, 209, 275, 475, 835, 965, 1045, 1837, 2123, 3173, 3667, 4175, 4825, 5225, 9185, 10615, 15865, 18335, 32231, 34903, 40337, 45925, 53075, 79325, 91675, 161155, 174515, 201685, 354541, 612389, 805775, 872575, 1008425, 1772705, 3061945, 6736279, 8863525, 15309725, 33681395, 168406975]

約数ペア:

[(1, 168406975), (5, 33681395), (11, 15309725), (19, 8863525), (25, 6736279), (55, 3061945), (95, 1772705), (167, 1008425), (193, 872575), (209, 805775), (275, 612389), (475, 354541), (835, 201685), (965, 174515), (1045, 161155), (1837, 91675), (2123, 79325), (3173, 53075), (3667, 45925), (4175, 40337), (4825, 34903), (5225, 32231), (9185, 18335), (10615, 15865)]