81795228

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{449}}^1$

素因数の和:539

約数の個数: 96

約数和(自身を含む): 217728000

約数和(自身を除く): 135932772

約数列:

[1, 2, 3, 4, 6, 12, 17, 19, 34, 38, 47, 51, 57, 68, 76, 94, 102, 114, 141, 188, 204, 228, 282, 323, 449, 564, 646, 799, 893, 898, 969, 1292, 1347, 1598, 1786, 1796, 1938, 2397, 2679, 2694, 3196, 3572, 3876, 4794, 5358, 5388, 7633, 8531, 9588, 10716, 15181, 15266, 17062, 21103, 22899, 25593, 30362, 30532, 34124, 42206, 45543, 45798, 51186, 60724, 63309, 84412, 91086, 91596, 102372, 126618, 145027, 182172, 253236, 290054, 358751, 400957, 435081, 580108, 717502, 801914, 870162, 1076253, 1202871, 1435004, 1603828, 1740324, 2152506, 2405742, 4305012, 4811484, 6816269, 13632538, 20448807, 27265076, 40897614, 81795228]

約数ペア:

[(1, 81795228), (2, 40897614), (3, 27265076), (4, 20448807), (6, 13632538), (12, 6816269), (17, 4811484), (19, 4305012), (34, 2405742), (38, 2152506), (47, 1740324), (51, 1603828), (57, 1435004), (68, 1202871), (76, 1076253), (94, 870162), (102, 801914), (114, 717502), (141, 580108), (188, 435081), (204, 400957), (228, 358751), (282, 290054), (323, 253236), (449, 182172), (564, 145027), (646, 126618), (799, 102372), (893, 91596), (898, 91086), (969, 84412), (1292, 63309), (1347, 60724), (1598, 51186), (1786, 45798), (1796, 45543), (1938, 42206), (2397, 34124), (2679, 30532), (2694, 30362), (3196, 25593), (3572, 22899), (3876, 21103), (4794, 17062), (5358, 15266), (5388, 15181), (7633, 10716), (8531, 9588)]