815306206

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{40151}}^1$

素因数の和:40248

約数の個数: 32

約数和(自身を含む): 1457035776

約数和(自身を除く): 641729570

約数列:

[1, 2, 11, 13, 22, 26, 71, 142, 143, 286, 781, 923, 1562, 1846, 10153, 20306, 40151, 80302, 441661, 521963, 883322, 1043926, 2850721, 5701442, 5741593, 11483186, 31357931, 37059373, 62715862, 74118746, 407653103, 815306206]

約数ペア:

[(1, 815306206), (2, 407653103), (11, 74118746), (13, 62715862), (22, 37059373), (26, 31357931), (71, 11483186), (142, 5741593), (143, 5701442), (286, 2850721), (781, 1043926), (923, 883322), (1562, 521963), (1846, 441661), (10153, 80302), (20306, 40151)]