16605218

素因数分解:

$2^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{139}}^1$

素因数の和:231

約数の個数: 48

約数和(自身を含む): 31026240

約数和(自身を除く): 14421022

約数列:

[1, 2, 7, 14, 23, 46, 49, 53, 98, 106, 139, 161, 278, 322, 371, 742, 973, 1127, 1219, 1946, 2254, 2438, 2597, 3197, 5194, 6394, 6811, 7367, 8533, 13622, 14734, 17066, 22379, 44758, 51569, 59731, 103138, 119462, 156653, 169441, 313306, 338882, 360983, 721966, 1186087, 2372174, 8302609, 16605218]

約数ペア:

[(1, 16605218), (2, 8302609), (7, 2372174), (14, 1186087), (23, 721966), (46, 360983), (49, 338882), (53, 313306), (98, 169441), (106, 156653), (139, 119462), (161, 103138), (278, 59731), (322, 51569), (371, 44758), (742, 22379), (973, 17066), (1127, 14734), (1219, 13622), (1946, 8533), (2254, 7367), (2438, 6811), (2597, 6394), (3197, 5194)]