287196552

素因数分解:

$2^3\times 3^2\times {\mathrm{19}}^1\times {\mathrm{209939}}^1$

素因数の和:209970

約数の個数: 48

約数和(自身を含む): 818766000

約数和(自身を除く): 531569448

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 19, 24, 36, 38, 57, 72, 76, 114, 152, 171, 228, 342, 456, 684, 1368, 209939, 419878, 629817, 839756, 1259634, 1679512, 1889451, 2519268, 3778902, 3988841, 5038536, 7557804, 7977682, 11966523, 15115608, 15955364, 23933046, 31910728, 35899569, 47866092, 71799138, 95732184, 143598276, 287196552]

約数ペア:

[(1, 287196552), (2, 143598276), (3, 95732184), (4, 71799138), (6, 47866092), (8, 35899569), (9, 31910728), (12, 23933046), (18, 15955364), (19, 15115608), (24, 11966523), (36, 7977682), (38, 7557804), (57, 5038536), (72, 3988841), (76, 3778902), (114, 2519268), (152, 1889451), (171, 1679512), (228, 1259634), (342, 839756), (456, 629817), (684, 419878), (1368, 209939)]