1621654826

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{31}}^2\times {\mathrm{367}}^1$

素因数の和:472

約数の個数: 72

約数和(自身を含む): 2916083520

約数和(自身を除く): 1294428694

約数列:

[1, 2, 11, 19, 22, 31, 38, 62, 121, 209, 242, 341, 367, 418, 589, 682, 734, 961, 1178, 1922, 2299, 3751, 4037, 4598, 6479, 6973, 7502, 8074, 10571, 11377, 12958, 13946, 18259, 21142, 22754, 36518, 44407, 71269, 76703, 88814, 116281, 125147, 142538, 153406, 200849, 216163, 232562, 250294, 352687, 401698, 432326, 705374, 843733, 1376617, 1687466, 2209339, 2377793, 2753234, 3879557, 4418678, 4755586, 6701053, 7759114, 13402106, 26155723, 42675127, 52311446, 73711583, 85350254, 147423166, 810827413, 1621654826]

約数ペア:

[(1, 1621654826), (2, 810827413), (11, 147423166), (19, 85350254), (22, 73711583), (31, 52311446), (38, 42675127), (62, 26155723), (121, 13402106), (209, 7759114), (242, 6701053), (341, 4755586), (367, 4418678), (418, 3879557), (589, 2753234), (682, 2377793), (734, 2209339), (961, 1687466), (1178, 1376617), (1922, 843733), (2299, 705374), (3751, 432326), (4037, 401698), (4598, 352687), (6479, 250294), (6973, 232562), (7502, 216163), (8074, 200849), (10571, 153406), (11377, 142538), (12958, 125147), (13946, 116281), (18259, 88814), (21142, 76703), (22754, 71269), (36518, 44407)]