129668552

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{6329}}^1$

素因数の和:6545

約数の個数: 32

約数和(自身を含む): 263201400

約数和(自身を除く): 133532848

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 197, 394, 788, 1576, 2561, 5122, 6329, 10244, 12658, 20488, 25316, 50632, 82277, 164554, 329108, 658216, 1246813, 2493626, 4987252, 9974504, 16208569, 32417138, 64834276, 129668552]

約数ペア:

[(1, 129668552), (2, 64834276), (4, 32417138), (8, 16208569), (13, 9974504), (26, 4987252), (52, 2493626), (104, 1246813), (197, 658216), (394, 329108), (788, 164554), (1576, 82277), (2561, 50632), (5122, 25316), (6329, 20488), (10244, 12658)]