81206528

素因数分解:

$2^8\times {\mathrm{13}}^2\times {\mathrm{1877}}^1$

素因数の和:1919

約数の個数: 54

約数和(自身を含む): 175617414

約数和(自身を除く): 94410886

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 169, 208, 256, 338, 416, 676, 832, 1352, 1664, 1877, 2704, 3328, 3754, 5408, 7508, 10816, 15016, 21632, 24401, 30032, 43264, 48802, 60064, 97604, 120128, 195208, 240256, 317213, 390416, 480512, 634426, 780832, 1268852, 1561664, 2537704, 3123328, 5075408, 6246656, 10150816, 20301632, 40603264, 81206528]

約数ペア:

[(1, 81206528), (2, 40603264), (4, 20301632), (8, 10150816), (13, 6246656), (16, 5075408), (26, 3123328), (32, 2537704), (52, 1561664), (64, 1268852), (104, 780832), (128, 634426), (169, 480512), (208, 390416), (256, 317213), (338, 240256), (416, 195208), (676, 120128), (832, 97604), (1352, 60064), (1664, 48802), (1877, 43264), (2704, 30032), (3328, 24401), (3754, 21632), (5408, 15016), (7508, 10816)]