211312788

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^1\times {\mathrm{647}}^1\times {\mathrm{1601}}^1$

素因数の和:2272

約数の個数: 48

約数和(自身を含む): 523200384

約数和(自身を除く): 311887596

約数列:

[1, 2, 3, 4, 6, 12, 17, 34, 51, 68, 102, 204, 647, 1294, 1601, 1941, 2588, 3202, 3882, 4803, 6404, 7764, 9606, 10999, 19212, 21998, 27217, 32997, 43996, 54434, 65994, 81651, 108868, 131988, 163302, 326604, 1035847, 2071694, 3107541, 4143388, 6215082, 12430164, 17609399, 35218798, 52828197, 70437596, 105656394, 211312788]

約数ペア:

[(1, 211312788), (2, 105656394), (3, 70437596), (4, 52828197), (6, 35218798), (12, 17609399), (17, 12430164), (34, 6215082), (51, 4143388), (68, 3107541), (102, 2071694), (204, 1035847), (647, 326604), (1294, 163302), (1601, 131988), (1941, 108868), (2588, 81651), (3202, 65994), (3882, 54434), (4803, 43996), (6404, 32997), (7764, 27217), (9606, 21998), (10999, 19212)]