25767742

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{211}}^1$

素因数の和:305

約数の個数: 64

約数和(自身を含む): 52996608

約数和(自身を除く): 27228866

約数列:

[1, 2, 7, 11, 13, 14, 22, 26, 61, 77, 91, 122, 143, 154, 182, 211, 286, 422, 427, 671, 793, 854, 1001, 1342, 1477, 1586, 2002, 2321, 2743, 2954, 4642, 4697, 5486, 5551, 8723, 9394, 11102, 12871, 16247, 17446, 19201, 25742, 30173, 32494, 38402, 60346, 61061, 90097, 122122, 141581, 167323, 180194, 211211, 283162, 334646, 422422, 991067, 1171261, 1840553, 1982134, 2342522, 3681106, 12883871, 25767742]

約数ペア:

[(1, 25767742), (2, 12883871), (7, 3681106), (11, 2342522), (13, 1982134), (14, 1840553), (22, 1171261), (26, 991067), (61, 422422), (77, 334646), (91, 283162), (122, 211211), (143, 180194), (154, 167323), (182, 141581), (211, 122122), (286, 90097), (422, 61061), (427, 60346), (671, 38402), (793, 32494), (854, 30173), (1001, 25742), (1342, 19201), (1477, 17446), (1586, 16247), (2002, 12871), (2321, 11102), (2743, 9394), (2954, 8723), (4642, 5551), (4697, 5486)]