8158384

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{643}}^1$

素因数の和:725

約数の個数: 40

約数和(自身を含む): 17328752

約数和(自身を除く): 9170368

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 61, 104, 122, 208, 244, 488, 643, 793, 976, 1286, 1586, 2572, 3172, 5144, 6344, 8359, 10288, 12688, 16718, 33436, 39223, 66872, 78446, 133744, 156892, 313784, 509899, 627568, 1019798, 2039596, 4079192, 8158384]

約数ペア:

[(1, 8158384), (2, 4079192), (4, 2039596), (8, 1019798), (13, 627568), (16, 509899), (26, 313784), (52, 156892), (61, 133744), (104, 78446), (122, 66872), (208, 39223), (244, 33436), (488, 16718), (643, 12688), (793, 10288), (976, 8359), (1286, 6344), (1586, 5144), (2572, 3172)]