16991334

素因数分解:

$2^1\times 3^2\times {\mathrm{67}}^1\times {\mathrm{73}}^1\times {\mathrm{193}}^1$

素因数の和:341

約数の個数: 48

約数和(自身を含む): 38072112

約数和(自身を除く): 21080778

約数列:

[1, 2, 3, 6, 9, 18, 67, 73, 134, 146, 193, 201, 219, 386, 402, 438, 579, 603, 657, 1158, 1206, 1314, 1737, 3474, 4891, 9782, 12931, 14089, 14673, 25862, 28178, 29346, 38793, 42267, 44019, 77586, 84534, 88038, 116379, 126801, 232758, 253602, 943963, 1887926, 2831889, 5663778, 8495667, 16991334]

約数ペア:

[(1, 16991334), (2, 8495667), (3, 5663778), (6, 2831889), (9, 1887926), (18, 943963), (67, 253602), (73, 232758), (134, 126801), (146, 116379), (193, 88038), (201, 84534), (219, 77586), (386, 44019), (402, 42267), (438, 38793), (579, 29346), (603, 28178), (657, 25862), (1158, 14673), (1206, 14089), (1314, 12931), (1737, 9782), (3474, 4891)]