81718518

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{547}}^1\times {\mathrm{3557}}^1$

素因数の和:4116

約数の個数: 32

約数和(自身を含む): 187179264

約数和(自身を除く): 105460746

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 547, 1094, 1641, 3282, 3557, 3829, 7114, 7658, 10671, 11487, 21342, 22974, 24899, 49798, 74697, 149394, 1945679, 3891358, 5837037, 11674074, 13619753, 27239506, 40859259, 81718518]

約数ペア:

[(1, 81718518), (2, 40859259), (3, 27239506), (6, 13619753), (7, 11674074), (14, 5837037), (21, 3891358), (42, 1945679), (547, 149394), (1094, 74697), (1641, 49798), (3282, 24899), (3557, 22974), (3829, 21342), (7114, 11487), (7658, 10671)]