211391502

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{68947}}^1$

素因数の和:69032

約数の個数: 32

約数和(自身を含む): 489806592

約数和(自身を除く): 278415090

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 73, 146, 219, 438, 511, 1022, 1533, 3066, 68947, 137894, 206841, 413682, 482629, 965258, 1447887, 2895774, 5033131, 10066262, 15099393, 30198786, 35231917, 70463834, 105695751, 211391502]

約数ペア:

[(1, 211391502), (2, 105695751), (3, 70463834), (6, 35231917), (7, 30198786), (14, 15099393), (21, 10066262), (42, 5033131), (73, 2895774), (146, 1447887), (219, 965258), (438, 482629), (511, 413682), (1022, 206841), (1533, 137894), (3066, 68947)]