257598654

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{1987}}^1$

素因数の和:2081

約数の個数: 64

約数和(自身を含む): 577124352

約数和(自身を除く): 319525698

約数列:

[1, 2, 3, 6, 17, 31, 34, 41, 51, 62, 82, 93, 102, 123, 186, 246, 527, 697, 1054, 1271, 1394, 1581, 1987, 2091, 2542, 3162, 3813, 3974, 4182, 5961, 7626, 11922, 21607, 33779, 43214, 61597, 64821, 67558, 81467, 101337, 123194, 129642, 162934, 184791, 202674, 244401, 369582, 488802, 1047149, 1384939, 2094298, 2525477, 2769878, 3141447, 4154817, 5050954, 6282894, 7576431, 8309634, 15152862, 42933109, 85866218, 128799327, 257598654]

約数ペア:

[(1, 257598654), (2, 128799327), (3, 85866218), (6, 42933109), (17, 15152862), (31, 8309634), (34, 7576431), (41, 6282894), (51, 5050954), (62, 4154817), (82, 3141447), (93, 2769878), (102, 2525477), (123, 2094298), (186, 1384939), (246, 1047149), (527, 488802), (697, 369582), (1054, 244401), (1271, 202674), (1394, 184791), (1581, 162934), (1987, 129642), (2091, 123194), (2542, 101337), (3162, 81467), (3813, 67558), (3974, 64821), (4182, 61597), (5961, 43214), (7626, 33779), (11922, 21607)]