621296656

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{2043739}}^1$

素因数の和:2043766

約数の個数: 20

約数和(自身を含む): 1267118800

約数和(自身を除く): 645822144

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 2043739, 4087478, 8174956, 16349912, 32699824, 38831041, 77662082, 155324164, 310648328, 621296656]

約数ペア:

[(1, 621296656), (2, 310648328), (4, 155324164), (8, 77662082), (16, 38831041), (19, 32699824), (38, 16349912), (76, 8174956), (152, 4087478), (304, 2043739)]