81316416

素因数分解:

$2^6\times 3^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1$

素因数の和:260

約数の個数: 112

約数和(自身を含む): 224503488

約数和(自身を除く): 143187072

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 53, 61, 64, 96, 106, 122, 131, 159, 183, 192, 212, 244, 262, 318, 366, 393, 424, 488, 524, 636, 732, 786, 848, 976, 1048, 1272, 1464, 1572, 1696, 1952, 2096, 2544, 2928, 3144, 3233, 3392, 3904, 4192, 5088, 5856, 6288, 6466, 6943, 7991, 8384, 9699, 10176, 11712, 12576, 12932, 13886, 15982, 19398, 20829, 23973, 25152, 25864, 27772, 31964, 38796, 41658, 47946, 51728, 55544, 63928, 77592, 83316, 95892, 103456, 111088, 127856, 155184, 166632, 191784, 206912, 222176, 255712, 310368, 333264, 383568, 423523, 444352, 511424, 620736, 666528, 767136, 847046, 1270569, 1333056, 1534272, 1694092, 2541138, 3388184, 5082276, 6776368, 10164552, 13552736, 20329104, 27105472, 40658208, 81316416]

約数ペア:

[(1, 81316416), (2, 40658208), (3, 27105472), (4, 20329104), (6, 13552736), (8, 10164552), (12, 6776368), (16, 5082276), (24, 3388184), (32, 2541138), (48, 1694092), (53, 1534272), (61, 1333056), (64, 1270569), (96, 847046), (106, 767136), (122, 666528), (131, 620736), (159, 511424), (183, 444352), (192, 423523), (212, 383568), (244, 333264), (262, 310368), (318, 255712), (366, 222176), (393, 206912), (424, 191784), (488, 166632), (524, 155184), (636, 127856), (732, 111088), (786, 103456), (848, 95892), (976, 83316), (1048, 77592), (1272, 63928), (1464, 55544), (1572, 51728), (1696, 47946), (1952, 41658), (2096, 38796), (2544, 31964), (2928, 27772), (3144, 25864), (3233, 25152), (3392, 23973), (3904, 20829), (4192, 19398), (5088, 15982), (5856, 13886), (6288, 12932), (6466, 12576), (6943, 11712), (7991, 10176), (8384, 9699)]