78729910

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{21221}}^1$

素因数の和:21288

約数の個数: 32

約数和(自身を含む): 165022272

約数和(自身を除く): 86292362

約数列:

[1, 2, 5, 7, 10, 14, 35, 53, 70, 106, 265, 371, 530, 742, 1855, 3710, 21221, 42442, 106105, 148547, 212210, 297094, 742735, 1124713, 1485470, 2249426, 5623565, 7872991, 11247130, 15745982, 39364955, 78729910]

約数ペア:

[(1, 78729910), (2, 39364955), (5, 15745982), (7, 11247130), (10, 7872991), (14, 5623565), (35, 2249426), (53, 1485470), (70, 1124713), (106, 742735), (265, 297094), (371, 212210), (530, 148547), (742, 106105), (1855, 42442), (3710, 21221)]