161545016

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{127}}^1\times {\mathrm{199}}^1$

素因数の和:396

約数の個数: 64

約数和(自身を含む): 331776000

約数和(自身を除く): 170230984

約数列:

[1, 2, 4, 8, 17, 34, 47, 68, 94, 127, 136, 188, 199, 254, 376, 398, 508, 796, 799, 1016, 1592, 1598, 2159, 3196, 3383, 4318, 5969, 6392, 6766, 8636, 9353, 11938, 13532, 17272, 18706, 23876, 25273, 27064, 37412, 47752, 50546, 74824, 101092, 101473, 159001, 202184, 202946, 318002, 405892, 429641, 636004, 811784, 859282, 1187831, 1272008, 1718564, 2375662, 3437128, 4751324, 9502648, 20193127, 40386254, 80772508, 161545016]

約数ペア:

[(1, 161545016), (2, 80772508), (4, 40386254), (8, 20193127), (17, 9502648), (34, 4751324), (47, 3437128), (68, 2375662), (94, 1718564), (127, 1272008), (136, 1187831), (188, 859282), (199, 811784), (254, 636004), (376, 429641), (398, 405892), (508, 318002), (796, 202946), (799, 202184), (1016, 159001), (1592, 101473), (1598, 101092), (2159, 74824), (3196, 50546), (3383, 47752), (4318, 37412), (5969, 27064), (6392, 25273), (6766, 23876), (8636, 18706), (9353, 17272), (11938, 13532)]