26347568

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{643}}^1$

素因数の和:861

約数の個数: 40

約数和(自身を含む): 55340208

約数和(自身を除く): 28992640

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 197, 208, 394, 643, 788, 1286, 1576, 2561, 2572, 3152, 5122, 5144, 8359, 10244, 10288, 16718, 20488, 33436, 40976, 66872, 126671, 133744, 253342, 506684, 1013368, 1646723, 2026736, 3293446, 6586892, 13173784, 26347568]

約数ペア:

[(1, 26347568), (2, 13173784), (4, 6586892), (8, 3293446), (13, 2026736), (16, 1646723), (26, 1013368), (52, 506684), (104, 253342), (197, 133744), (208, 126671), (394, 66872), (643, 40976), (788, 33436), (1286, 20488), (1576, 16718), (2561, 10288), (2572, 10244), (3152, 8359), (5122, 5144)]