266908428

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{6397}}^1$

素因数の和:6487

約数の個数: 72

約数和(自身を含む): 721950320

約数和(自身を除く): 455041892

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 61, 76, 114, 122, 171, 183, 228, 244, 342, 366, 549, 684, 732, 1098, 1159, 2196, 2318, 3477, 4636, 6397, 6954, 10431, 12794, 13908, 19191, 20862, 25588, 38382, 41724, 57573, 76764, 115146, 121543, 230292, 243086, 364629, 390217, 486172, 729258, 780434, 1093887, 1170651, 1458516, 1560868, 2187774, 2341302, 3511953, 4375548, 4682604, 7023906, 7414123, 14047812, 14828246, 22242369, 29656492, 44484738, 66727107, 88969476, 133454214, 266908428]

約数ペア:

[(1, 266908428), (2, 133454214), (3, 88969476), (4, 66727107), (6, 44484738), (9, 29656492), (12, 22242369), (18, 14828246), (19, 14047812), (36, 7414123), (38, 7023906), (57, 4682604), (61, 4375548), (76, 3511953), (114, 2341302), (122, 2187774), (171, 1560868), (183, 1458516), (228, 1170651), (244, 1093887), (342, 780434), (366, 729258), (549, 486172), (684, 390217), (732, 364629), (1098, 243086), (1159, 230292), (2196, 121543), (2318, 115146), (3477, 76764), (4636, 57573), (6397, 41724), (6954, 38382), (10431, 25588), (12794, 20862), (13908, 19191)]