206490544

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{18731}}^1$

素因数の和:18805

約数の個数: 40

約数和(自身を含む): 439003152

約数和(自身を除く): 232512608

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 53, 104, 106, 208, 212, 424, 689, 848, 1378, 2756, 5512, 11024, 18731, 37462, 74924, 149848, 243503, 299696, 487006, 974012, 992743, 1948024, 1985486, 3896048, 3970972, 7941944, 12905659, 15883888, 25811318, 51622636, 103245272, 206490544]

約数ペア:

[(1, 206490544), (2, 103245272), (4, 51622636), (8, 25811318), (13, 15883888), (16, 12905659), (26, 7941944), (52, 3970972), (53, 3896048), (104, 1985486), (106, 1948024), (208, 992743), (212, 974012), (424, 487006), (689, 299696), (848, 243503), (1378, 149848), (2756, 74924), (5512, 37462), (11024, 18731)]