16664732

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{263}}^1$

素因数の和:378

約数の個数: 48

約数和(自身を含む): 35008512

約数和(自身を除く): 18343780

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 73, 124, 146, 217, 263, 292, 434, 511, 526, 868, 1022, 1052, 1841, 2044, 2263, 3682, 4526, 7364, 8153, 9052, 15841, 16306, 19199, 31682, 32612, 38398, 57071, 63364, 76796, 114142, 134393, 228284, 268786, 537572, 595169, 1190338, 2380676, 4166183, 8332366, 16664732]

約数ペア:

[(1, 16664732), (2, 8332366), (4, 4166183), (7, 2380676), (14, 1190338), (28, 595169), (31, 537572), (62, 268786), (73, 228284), (124, 134393), (146, 114142), (217, 76796), (263, 63364), (292, 57071), (434, 38398), (511, 32612), (526, 31682), (868, 19199), (1022, 16306), (1052, 15841), (1841, 9052), (2044, 8153), (2263, 7364), (3682, 4526)]