81967998

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{1601}}^1$

素因数の和:1689

約数の個数: 64

約数和(自身を含む): 199314432

約数和(自身を除く): 117346434

約数列:

[1, 2, 3, 6, 7, 14, 21, 23, 42, 46, 53, 69, 106, 138, 159, 161, 318, 322, 371, 483, 742, 966, 1113, 1219, 1601, 2226, 2438, 3202, 3657, 4803, 7314, 8533, 9606, 11207, 17066, 22414, 25599, 33621, 36823, 51198, 67242, 73646, 84853, 110469, 169706, 220938, 254559, 257761, 509118, 515522, 593971, 773283, 1187942, 1546566, 1781913, 1951619, 3563826, 3903238, 5854857, 11709714, 13661333, 27322666, 40983999, 81967998]

約数ペア:

[(1, 81967998), (2, 40983999), (3, 27322666), (6, 13661333), (7, 11709714), (14, 5854857), (21, 3903238), (23, 3563826), (42, 1951619), (46, 1781913), (53, 1546566), (69, 1187942), (106, 773283), (138, 593971), (159, 515522), (161, 509118), (318, 257761), (322, 254559), (371, 220938), (483, 169706), (742, 110469), (966, 84853), (1113, 73646), (1219, 67242), (1601, 51198), (2226, 36823), (2438, 33621), (3202, 25599), (3657, 22414), (4803, 17066), (7314, 11207), (8533, 9606)]