199909812

素因数分解:

$2^2\times 3^1\times {\mathrm{107}}^1\times {\mathrm{155693}}^1$

素因数の和:155807

約数の個数: 24

約数和(自身を含む): 470818656

約数和(自身を除く): 270908844

約数列:

[1, 2, 3, 4, 6, 12, 107, 214, 321, 428, 642, 1284, 155693, 311386, 467079, 622772, 934158, 1868316, 16659151, 33318302, 49977453, 66636604, 99954906, 199909812]

約数ペア:

[(1, 199909812), (2, 99954906), (3, 66636604), (4, 49977453), (6, 33318302), (12, 16659151), (107, 1868316), (214, 934158), (321, 622772), (428, 467079), (642, 311386), (1284, 155693)]