987571512

素因数分解:

$2^3\times 3^2\times {\mathrm{19}}^1\times {\mathrm{721909}}^1$

素因数の和:721940

約数の個数: 48

約数和(自身を含む): 2815449000

約数和(自身を除く): 1827877488

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, 721909, 1443818, 2165727, 2887636, 4331454, 5775272, 6497181, 8662908, 12994362, 13716271, 17325816, 25988724, 27432542, 41148813, 51977448, 54865084, 82297626, 109730168, 123446439, 164595252, 246892878, 329190504, 493785756, 987571512]

約数ペア:

[(1, 987571512), (2, 493785756), (3, 329190504), (4, 246892878), (6, 164595252), (8, 123446439), (9, 109730168), (12, 82297626), (18, 54865084), (19, 51977448), (24, 41148813), (36, 27432542), (38, 25988724), (57, 17325816), (72, 13716271), (76, 12994362), (114, 8662908), (152, 6497181), (171, 5775272), (228, 4331454), (342, 2887636), (456, 2165727), (684, 1443818), (1368, 721909)]