278947512

素因数分解:

$2^3\times 3^2\times {\mathrm{19}}^1\times {\mathrm{203909}}^1$

素因数の和:203940

約数の個数: 48

約数和(自身を含む): 795249000

約数和(自身を除く): 516301488

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, 203909, 407818, 611727, 815636, 1223454, 1631272, 1835181, 2446908, 3670362, 3874271, 4893816, 7340724, 7748542, 11622813, 14681448, 15497084, 23245626, 30994168, 34868439, 46491252, 69736878, 92982504, 139473756, 278947512]

約数ペア:

[(1, 278947512), (2, 139473756), (3, 92982504), (4, 69736878), (6, 46491252), (8, 34868439), (9, 30994168), (12, 23245626), (18, 15497084), (19, 14681448), (24, 11622813), (36, 7748542), (38, 7340724), (57, 4893816), (72, 3874271), (76, 3670362), (114, 2446908), (152, 1835181), (171, 1631272), (228, 1223454), (342, 815636), (456, 611727), (684, 407818), (1368, 203909)]