215371416

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{690293}}^1$

素因数の和:690315

約数の個数: 32

約数和(自身を含む): 579846960

約数和(自身を除く): 364475544

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 690293, 1380586, 2070879, 2761172, 4141758, 5522344, 8283516, 8973809, 16567032, 17947618, 26921427, 35895236, 53842854, 71790472, 107685708, 215371416]

約数ペア:

[(1, 215371416), (2, 107685708), (3, 71790472), (4, 53842854), (6, 35895236), (8, 26921427), (12, 17947618), (13, 16567032), (24, 8973809), (26, 8283516), (39, 5522344), (52, 4141758), (78, 2761172), (104, 2070879), (156, 1380586), (312, 690293)]