81562952

素因数分解:

$2^3\times {\mathrm{151}}^1\times {\mathrm{251}}^1\times {\mathrm{269}}^1$

素因数の和:677

約数の個数: 32

約数和(自身を含む): 155131200

約数和(自身を除く): 73568248

約数列:

[1, 2, 4, 8, 151, 251, 269, 302, 502, 538, 604, 1004, 1076, 1208, 2008, 2152, 37901, 40619, 67519, 75802, 81238, 135038, 151604, 162476, 270076, 303208, 324952, 540152, 10195369, 20390738, 40781476, 81562952]

約数ペア:

[(1, 81562952), (2, 40781476), (4, 20390738), (8, 10195369), (151, 540152), (251, 324952), (269, 303208), (302, 270076), (502, 162476), (538, 151604), (604, 135038), (1004, 81238), (1076, 75802), (1208, 67519), (2008, 40619), (2152, 37901)]