291289648

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{449}}^1\times {\mathrm{3119}}^1$

素因数の和:3589

約数の個数: 40

約数和(自身を含む): 609336000

約数和(自身を除く): 318046352

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 449, 898, 1796, 3119, 3592, 5837, 6238, 7184, 11674, 12476, 23348, 24952, 40547, 46696, 49904, 81094, 93392, 162188, 324376, 648752, 1400431, 2800862, 5601724, 11203448, 18205603, 22406896, 36411206, 72822412, 145644824, 291289648]

約数ペア:

[(1, 291289648), (2, 145644824), (4, 72822412), (8, 36411206), (13, 22406896), (16, 18205603), (26, 11203448), (52, 5601724), (104, 2800862), (208, 1400431), (449, 648752), (898, 324376), (1796, 162188), (3119, 93392), (3592, 81094), (5837, 49904), (6238, 46696), (7184, 40547), (11674, 24952), (12476, 23348)]