289312772

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{12647}}^1$

素因数の和:12720

約数の個数: 48

約数和(自身を含む): 623293440

約数和(自身を除く): 333980668

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 43, 76, 86, 133, 172, 266, 301, 532, 602, 817, 1204, 1634, 3268, 5719, 11438, 12647, 22876, 25294, 50588, 88529, 177058, 240293, 354116, 480586, 543821, 961172, 1087642, 1682051, 2175284, 3364102, 3806747, 6728204, 7613494, 10332599, 15226988, 20665198, 41330396, 72328193, 144656386, 289312772]

約数ペア:

[(1, 289312772), (2, 144656386), (4, 72328193), (7, 41330396), (14, 20665198), (19, 15226988), (28, 10332599), (38, 7613494), (43, 6728204), (76, 3806747), (86, 3364102), (133, 2175284), (172, 1682051), (266, 1087642), (301, 961172), (532, 543821), (602, 480586), (817, 354116), (1204, 240293), (1634, 177058), (3268, 88529), (5719, 50588), (11438, 25294), (12647, 22876)]