28129218

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{7673}}^1$

素因数の和:7738

約数の個数: 32

約数和(自身を含む): 61883136

約数和(自身を除く): 33753918

約数列:

[1, 2, 3, 6, 13, 26, 39, 47, 78, 94, 141, 282, 611, 1222, 1833, 3666, 7673, 15346, 23019, 46038, 99749, 199498, 299247, 360631, 598494, 721262, 1081893, 2163786, 4688203, 9376406, 14064609, 28129218]

約数ペア:

[(1, 28129218), (2, 14064609), (3, 9376406), (6, 4688203), (13, 2163786), (26, 1081893), (39, 721262), (47, 598494), (78, 360631), (94, 299247), (141, 199498), (282, 99749), (611, 46038), (1222, 23019), (1833, 15346), (3666, 7673)]