12781586

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{173}}^1$

素因数の和:286

約数の個数: 32

約数和(自身を含む): 21310128

約数和(自身を除く): 8528542

約数列:

[1, 2, 17, 34, 41, 53, 82, 106, 173, 346, 697, 901, 1394, 1802, 2173, 2941, 4346, 5882, 7093, 9169, 14186, 18338, 36941, 73882, 120581, 155873, 241162, 311746, 375929, 751858, 6390793, 12781586]

約数ペア:

[(1, 12781586), (2, 6390793), (17, 751858), (34, 375929), (41, 311746), (53, 241162), (82, 155873), (106, 120581), (173, 73882), (346, 36941), (697, 18338), (901, 14186), (1394, 9169), (1802, 7093), (2173, 5882), (2941, 4346)]