205351696

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{61409}}^1$

素因数の和:61447

約数の個数: 40

約数和(自身を含む): 456890400

約数和(自身を除く): 251538704

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 38, 44, 76, 88, 152, 176, 209, 304, 418, 836, 1672, 3344, 61409, 122818, 245636, 491272, 675499, 982544, 1166771, 1350998, 2333542, 2701996, 4667084, 5403992, 9334168, 10807984, 12834481, 18668336, 25668962, 51337924, 102675848, 205351696]

約数ペア:

[(1, 205351696), (2, 102675848), (4, 51337924), (8, 25668962), (11, 18668336), (16, 12834481), (19, 10807984), (22, 9334168), (38, 5403992), (44, 4667084), (76, 2701996), (88, 2333542), (152, 1350998), (176, 1166771), (209, 982544), (304, 675499), (418, 491272), (836, 245636), (1672, 122818), (3344, 61409)]